| Samples A - L | ||
| M | ||
| Maierhof | Flint | Germany (Ortenburger Jura, Bavaria) |
| Maisières | Flint | Belgium (Mons region, Hainaut) |
| Malgessa Postemonzel | Flint | Italy (Trentino) |
| Marbach | Flint | Germany (Suebian Alb, Donauwörth district, Bavaria) |
| Margarida | Chert | Spain (Alacant/Alicante, Valencia) |
| Margny-les-Compiègne | Flint | France (Oise department, Picardie) |
| Markkleeberg (Baltic) | Flint | Germany (Saxony) |
| Maršovice, see Krumlovský Les | Flint | Czech Republic (Moravia) |
| Mauer, see Wien-Mauer | Radiolarite | Austria (Vienna) |
| Le Maupas 1 | flint | France (Bugey, Ain department) |
| Le Maupas 2 | flint | France (Bugey, Ain department) |
| Mazuecos | Chert | Spain (Guadalajara, Castilla-La Mancha) |
| Mehrstetten | Flint | Germany (Ulm district, Suabian Alb, Baden-Württemberg) |
| Meillarenche | flint | France (Bugey, Ain department) |
| Mer | Opalite | France (Indre-et-Loire department) |
| Mérignat-Pierre-Feu | flint | France (Bugey, Ain department) |
| Merland-Pierrefeu 1 | flint | France (Bugey, Ain department) |
| Merland-Pierrefeu 2 | flint | France (Bugey, Ain department) |
| Méru | Flint | France (Oise department, Picardie) |
| Mesnil-Saint-Loup | Flint | France (Pays d'Othe, Aube department) |
| Meusnes | Flint | France (Loir-et-Cher department) |
| Mheer | Flint | The Netherlands (Limburg) |
| Miskolc | Limnic Quartzite | Hungary (Bükk Mountains) |
| Mittelbronn | Flint | Germany (Suebian Alb, Baden-Württemberg) |
| Mjels Kalkgrav | Flint | Denmark (Himmerland, Northern Jutland) |
| Moerslag groeve | Flint | The Netherlands (Limburg) |
| Mogyorósdomb, see Sümeg | Radiolarite | Hungary (Transdanubia, Veszprém county) |
| Mons (Region) | Flint | Belgium (Hainault) |
| Møns klint | Flint | Denmark (Island of Møn) |
| Monsanto | Flint | Portugal (Lisboa) |
| Mont Août, see Broussy-le-Grand | Meulière | France (Marne department, Champagne-Ardenne) |
| Montblin | Flint | France (Loiret department, Centre) |
| Mont de la Vavre | flint | France (Bugey, Ain department) |
| Monte Altissimo di Nago | Flint | Italy (Trentino) |
| Monte Alto | Flint | Italy (Brescia province, Lombardia) |
| Monte Avena | Flint | Italy (Belluno province, Veneto) |
| Monte Baldo | Flint | Italy (Trentino) |
| Monticelli, see Gaina | Flint | Italy (Brescia province, Lombardia) |
| Monti Lessini | Flint | Italy (Verona Province, Veneto) |
| Mont-les-Etrelles | Silexite | France (Haute-Saône department) |
| Mont Ravet | flint | France (Bugey, Ain department) |
| Mont Sinaï | Meulière | France (Marne department, Champagne-Ardenne) |
| Moravský Krumlov | Flint | Czech Republic (Moravia) |
| Morestel | flint | France (Bugey, Isère department) |
| Moritzbrunn | Flint | Germany (Eichstätt District, Franconian Alb, Bavaria) |
| Le Mortaret | flint | France (Bugey, Ain department) |
| Le Mortier, see Jandrain-Jandrenouille | Flint | Belgium (Haspengauw/Hesbaye, Liège/Luik Province) |
| la Muanne, see Etableau | Flint | France (Touraine, Indre-et-Loire department) |
| Muduex | Chert | Spain (Guadalajara, Castilla-La Mancha) |
| Münster, Buchberg | Flint | Germany (Straubing district, Bavaria) |
| Muszaj, see Korlát | Limnic quartzite | Hungary (Zemplén mountains) |
| N | ||
| Nagytevel, see Tevel-Hegy | Flint | Hungary (Bakony mountains, Veszprém district) |
| Nazaré | Flint | Portugal (Leiria) |
| Niederwörresbach | Jasper | Germany (Birkenfeld district, Rhineland-Palatinate) |
| Nimberg | Flint | Germany (Baden) |
| Nointel | Flint | France (Oise department, Picardie) |
| Nonnhof | Flint | Germany (Oberpfalz, Bavaria) |
| Nuraghe de Inus | Obsidian | Italy (Sardinia, Oristano) |
| O | ||
| Oberlarg | Flint | France (Jura Alsacien) |
| Obermühle | Flint | Germany (Ortenburger Jura, Bavaria) |
| Obourg | Flint | Belgium (Mons region) |
| Ochiaz-Champ Bottu | flint | France (Bugey, Ain department) |
| Ochsenfeld | Flint | Germany (Eichstätt district, Franconian Alb, Bavaria) |
| Ochsenhart | Flint | Germany (Franconian alb, Bavaria) |
| Odby klint | Flint | Denmark (Northern Jutland) |
| Öflingen | Flint | Germany (Baden-Württemberg, Dinkelberg) |
| Oise department | Flint | France (Oise department, Picardie) |
| Olten | Flint | Switzerland (Solothurn canton) |
| Oncieu | flint | France (Bugey, Ain department) |
| les Orlets | Flint | France (Pays d'Othe, Aube department) |
| Orp-Jauche, see Jandrain-Jandrenouille | Flint | Belgium (Haspengauw/Hesbaye, Liège/Luik Province) |
| Orp-le-Grand | Flint | Belgium (Haspengauw/Hesbaye, Liège/Luik province) |
| Orsbach | Flint | Germany (Nordrhein-Westfalen) |
| Ortenburger Jura | Flint | Germany (Bavaria) |
| Osterberg (Pfünz/Inching) | Flint | Germany (Franconian alb, Bavaria) |
| Otelfingen-Lägern | Flint | Switzerland (Zürich canton) |
| Ottignies-Mousty | Phtanite | Belgium (Wallonia, Brabant) |
| Overeys-Hoeve Vogelzang | Flint | The Netherlands (Limburg) |
| Overlaar | Quatzite | Belgium (Flanders, Brabant) |
| P | ||
| Palîs | Flint | France (Pays d'Othe, Aube department) |
| Paintner Forst | Chert | Germany (Kelheim, Bavaria) |
| Paron | Flint | France (Yonne department, Bourgogne) |
| le Parq | Flint | France (Pas-de-Calais department) |
| Pays d'Othe | Flint | France (Pays d'Othe, Aube department) |
| Pays de Thelle | Flint | France (Oise department) |
| Pedernales | Opal | Spain (Granada, Andalucia) |
| Pederneira | Flint | Portugal (Vila Nova de Ourém, Santarém) |
| Pedra do Guilhim, see Nazaré | Flint | Porzugal (Leiria) |
| Penella, see Sierra de Ondoches | Chert | Spain (Alacant/Alicante, Valencia) |
| la Petite Bruyère, see St. Denis | Flint | Belgium (Mons region, Hainaut) |
| Petit Morin | Flint | France (Marne department, Champagne-Ardenne) |
| Petit paradis, see Verlaine-Harduémont | Flint | Belgium (Wallonia, Liège) |
| Petit Spiennes, see Spiennes | Flint | Belgium (Mons region) |
| Pfünz | Flint | Germany (Franconian alb, Bavaria) |
| Phosphates, les, see St. Symphorien | Flint | Belgium (Mons region, Hainaut) |
| Pieniny Mountains | Radiolarite | Poland (Beskids, Carpathians) |
| Písečný vrch, see Bečov | Quartzite | Czech Republic (Bohemia) |
| Pisznicetetö, see Lábatlan-Pisznicetetö | Radiolarite | Hungary (Gerecse mountains) |
| Le Plan | flint | France (Bugey, Ain department) |
| Planachat | flint | France (Bugey, Ain department) |
| Le Plat-cote 554 | flint | France (Bugey, Ain department) |
| Plattenhornstein | Flint | Germany (Regensburg region, Bavaria) |
| Plaußig (Baltic) | Flint | Germany (Saxony) |
| Pleigne, see Löwenburg | Flint | Switzerland (Jura canton) |
| Plenkertstraat, see Valkenburg-Plenkertstraat | Flint | The Netherlands (Limburg) |
| Podhale | Radiolarite | Poland (Podhale basin, Nowy Sącz) |
| Pointe de Kerpenhir-Locmariaquer | Flint | France (Brittany, Morbihan) |
| Pointe de la Torche | Flint | France (Brittany, Finistère) |
| Poisenteich | Silizit | Germany (Döhlener Becken, Saxony) |
| Pont de Préau | flint | France (Bugey, Ain department) |
| Ponte di Veia | Flint | Italy (Monti Lessini, Verona, Veneto) |
| Pontils | Chert | Catalonia (Taragona, Spain) |
| Porcherioux, see Meusnes | Flint | France (Loir-et-Cher department) |
| les Portes Rouges, see Girolles | Flint | France (Loiret department, Centre) |
| Pozuelo de Aragón | Chert | Spain (Zaragoza, Aragón) |
| Pra da Stua | Flint | Italy (Trentino) |
| Pré Rappet | flint | France (Bugey, Ain department) |
| Prémeyzel | flint | France (Bugey, Ain department) |
| Pressigny flint | Flint | France (Touraine, Indre-et-Loire department) |
| la Preugne | Flint | France (Indre department, Centre) |
| Priò | Flint | Italy (Trentino) |
| Profen | Quartzite | Germany (Sachsen-Anhalt) |
| Provaglio d'Iseo, see Sergnana | Flint | Italy (Brescia province, Lombardia) |
| Provalo, see Cimo Maran | Flint | Italy (Monti Lessini, Verona, Veneto) |
| Q | ||
| les Quatre Ruelles, see Jandrain-Jandrenouille | Flint | Belgium (Haspengauw/Hesbaye, Liège/Luik Province) |
| Quintanillas, see Ibeas de Guarros | Chert | Spain (Burgos, Castilla y León) |
| R | ||
| Rabelöv | Flint | Sweden (Kristianstad;, Skåne/Scania) |
| Ravaszlyuktetö, see Korlát | Limnic quartzite | Hungary (Zemplén mountains) |
| Résinand | flint | France (Bugey, Ain department) |
| les Revers de Brossard, see Serbonnes | Flint | France (Yonne department, Bourgogne |
| Riedenburg, see Emmerthal | Flint | Germany (Kelheim district, Franconian Alb, Bavaria) |
| Riedmatt, see Dinkelberg | Flint | Germany (Baden-Württemberg) |
| Le Riez (stream) | flint | France (Bugey, Ain department) |
| Rijckholt | Flint | The Netherlands (Limburg) |
| Rio Maior, see Azinheira | Flint | Portugal (Rio Maior, Santarém) |
| La Roche (Leyssard) | flint | France (Bugey, Ain department) |
| Rodebosch | Flint | Belgium (Flanders, Limburg) |
| Rögen, Feuerfelsen | Flint | Germany |
| Romancos | Chert | Spain (Guadalajara, Castilla-La Mancha) |
| Romigny | Silexite | France (Marne department, Champagne-Ardenne) |
| Romontbos carrière C.B.R. | Flint | Belgium (Wallonia, Liège) |
| 't Rooth | Flint | The Netherlands (Limburg) |
| Ropa | Menilite hornstone | Poland (Nowa Sącz province) |
| Rullen | Flint | Belgium (Luik) |
| Runa | Flint | Portugal (Torres Vedras, Lisboa) |
| S | ||
| Sallerup | Flint | Sweden (Malmö, Skåne/Scania) |
| Sangstrup klint | Flint | Denmark (Djursland, Eastern Jutland) |
| San Juan de la Canal | Flint | Spain (Santander, Cantabria) |
| Santana, see Monsanto | Flint | Portugal (Lisboa) |
| Sás patak, see Erdöbénye-Sás patak | Opalite | Hungary (Zemplén Mountains) |
| Sąspów | Flint | Poland (Kraków region) |
| Savelsbos-De Kaap | Flint | The Netherlands (Limburg) |
| Schaelsberg | Flint | The Netherlands (Valkenburg, Limburg) |
| Schernfelder Forst | Chert | Germany (Eichstätt, Bavaria) |
| Schiepersberg | Flint | The Netherlands (Limburg) |
| Schleenhain (Baltic) | Flint | Germany (Saxony) |
| Schliengen | Flint | Germany (Lörrach district, Baden-Württemberg) |
| Schneckenberg, see Liel | Flint | Germany (Baden, Markgräfler Land) |
| Schneeberg-Wachtelkopf | Flint | Germany (Aachen/Aix-la-Chapelle, Northrhine-Westphalia) |
| Schnellersdorf | Flint | Germany (Bavaria) |
| Schöne Grub, see Rijckholt | Flint | The Netherlands (Limburg) |
| Seffent-Wilkensberg | Flint | Germany (Aachen/Aix-la-Chapelle, Northrhine-Westphalia) |
| Sennels Ås, see Hov | Flint | Denmark (Thy, Northern Jutland) |
| Serbitz (Baltic) | Flint | Germany (Saxony) |
| Serbonnes | Flint | France (Yonne department, Bourgogne) |
| Sergnana | Flint | Italy (Brescia province, Lombardia) |
| Sérifontaine | Flint | France (Oise department, Picardie) |
| Seulohe | Flint | Germany (Schwandorf district, Bavaria) |
| Sierra de Ondoches | Chert | Spain (Alacant/Alicante, Valencia) |
| Sierra de Orce | Flint | Spain (Granada, Andalucia) |
| Sigolsheim | Radiolarite | France (Elsace, Départment Haut-Rhin) |
| Simpelveld | Flint | The Netherlands (Limburg) |
| Singen, See Hohentwiel | Phonolite | Germany (Hegau, Baden-Württemberg) |
| Skalice | Quartzite | Czech Republic (Bohemia) |
| Skarbka | Flint | Poland (Kielce district) |
| Skillingbro Kalkgrav | Flint | Denmark (Northern Jutland) |
| Skolika mountain | Radiolarite | Poland (Pieniny mountains) |
| Skršin | Quartzite | Czech Republic (Bohemia) |
| Slanec | Chalcedony | Slovak Republic (Slanské mountains) |
| Slanské Mountains | diverse perivolcanic | Slovak Republic |
| Slatina | Plasma | Czech Republic (Moravia) |
| Söllingen | Radiolarite | Germany (Rastatt district, Baden-Württemberg) |
| Soignolles | Flint | France (Normany, Calvados) |
| Solomiat-Crossroads | flint | France (Bugey, Ain department) |
| Solomiat-Le Petit Bois (primary) | flint | France (Bugey, Ain department) |
| Solomiat-Le Petit Bois (secondary) | flint | France (Bugey, Ain department) |
| Sondersdorf | Flint | France (Elsace, Sundgau) |
| Sous Chaly | flint | France (Bugey, Ain department) |
| Sous Chenavel | flint | France (Bugey, Ain department) |
| Sous la tour (Abergement-de-Varey) | flint | France (Bugey, Ain department) |
| Sous les côtes | flint | France (Bugey, Ain department) |
| Sous-Sac | flint | France (Bugey, Ain department) |
| Sparrenbosch | Flint | Belgium (Flanders, Limburg) |
| Spiennes | Flint | Belgium (Mons region) |
| Środborze | Flint | Poland (Tarnobrzeg district) |
| St-André (Neuville-sur-Ain) | flint | France (Bugey, Ain department) |
| St. André-au-bois | Flint | France (Pas-de-Calais department) |
| Sta. Clara | Chert | Spain (Guadalajara, Castilla-La Mancha) |
| St. Denis | Flint | Belgium (Mons region, Hainaut) |
| Stevns klint | Flint | Denmark (Island of Sjæland/Zealand) |
| St. Georg, see Niederwörresbach | Jasper | Germany (Birkenfeld district, Rhineland-Palatinate) |
| St. Léger-du-Ventoux | Flint | France (Vaucluse department, Provence) |
| St. Mihiel | Flint | France (Meuse department, Lorraine) |
| St. Salvator, see Eitensheim-St.Salvator | Flint | Germany (Eichstätt district, Franconian Alb, Bavaria) |
| St. Symphorien | Flint | Belgium (Mons region, Hainaut) |
| Stälzer, see Lampenberg | Flint | Switzerland (Basle canton) |
| Stare Bystre-Skałka | Radiolarite | Poland (Podhale basin, Nowy Sącz) |
| Steinacker | Blood jasper | Germany (Baden-Württemberg) |
| Stop van Ternaaien | Flint | Belgium (Wallonia, Liège) |
| Stránská Skálá | Flint | Czech Republic (Brno) |
| Suèvres | Opalite | France (Indre-et-Loire department) |
| Sümeg | Radiolarite | Hungary (Transdanubia, Veszprém county) |
| Svinkløv | Flint | Denmark (Thy, Northern Jutland) |
| Świeciechów | Flint | Poland (Tarnobrzeg) |
| Szaflary | Radiolarite | Poland (Podhale basin, Nowy Sącz) |
| Szeletian felsitic porphyry | Felsitic Quartz Porphyry | Hungary (Bükk mountains) |
| Szentgál | Radiolarite | Hungary (Bakony) |
| Szerenc | Limnic quartzite | Hungary (Zemplén mountains) |
| Szlachtowa | Radiolarite | Poland (Pieniny mountains) |
| Szöllöske, see Viničky | Obsidian | Slovak Republic (Trebišov) |
| Szurdokpüspöki | Opalite | Hungary (Mátra mountains) |
| T | ||
| Tata-Kálváriadomb | Radiolarite | Hungary (Gerecse mountains) |
| Tegernheim | Flint | Germany (Regensburg district, Bavaria) |
| Tempelhof | Flint | Germany (Eichstätt district, Franconian Alb, Bavaria) |
| Tenay-Lower quarry 1 | flint | France (Bugey, Ain department) |
| Tenay-Lower quarry 2 | flint | France (Bugey, Ain department) |
| Tenay-Upper quarry | flint | France (Bugey, Ain department) |
| Teufelsmauer | Quartzite | Germany (Quedlinburg, Sachsen-Anhalt) |
| Tevel-Hegy | Flint | Hungary (Bakony mountains, Veszprém district) |
| Thalhof | Flint | Germany (Regensburg district, Bavaria) |
| Therwil | Other | Switzerland (Basel Land canton) |
| Thévenaz (spring) | flint | France (Bugey, Ain department) |
| Thy region | Flint | Denmark (Northern Jutland) |
| Tiarno di Sotto | Flint | Italy (Trentino) |
| Tofino-chert | Flint | Italy (Trentino) |
| Tokaj, see Carpathian 2 | Obsidian | Hungary |
| Tolcsva-Gyopáros | Obsidian | Hungary (Zemplén Mountains) |
| Tranche de Caster, see Stop van Ternaaien | Flint | Belgium (Wallonia, Liège) |
| Transdanubian Central Mountains, see Bakony Mountains | Radiolarite | Hungary (Bakony) |
| Trichterberg | Flint | The Netherlands (Limburg) |
| Tri kopce, see Králov vrch | Radiolarite | Slovak Republic (Vlára region) |
| Trstené pri Hornáde | Limnic quartzite | Slovak Republic (Slanské mountains) |
| Trzy Korony mountain | Radiolarite | Poland (Pieniny mountains) |
| Tüllinger Berg | Silexite | Germany (Lörrach, Baden-Württemberg) |
| Tušimiče | Quartzite | Czech Republic (Bohemia) |
| Tüzkövesárok, see Bakonycsernye | Radiolarite | Hungary (Fejer) |
| Tüzköveshegy, see Szentgal | Radiolarite | Hungary (Bakony) |
| U | ||
| Umbría | Flint | Spain (Granada, Andalucia) |
| V | ||
| Valdarcete | Chert | Spain (Madrid, Castilla-La Mancha) |
| Val di Non | Flint | Italy (Trentino) |
| Valkenburg | Flint | The Netherlands (Limburg) |
| Valkenburg-Plenkertstraat | Flint | The Netherlands (Limburg) |
| Valkenburg Chalk flint | Flint | Netherlands (Southern Limburg) |
| Vaumain, Le | Flint | France (Oise department, Picardie) |
| Velleches, see Fontmaure | Jasper | France (Vienne department) |
| La Venta | Flint | Spain (Granada, Andalucia) |
| Verlaine-Harduémont | Flint | Belgium (Wallonia, Liège) |
| Vert | Flint | France (Marne department, Champagne-Ardenne) |
| Vertus | Flint | France (Marne department, Champagne-Ardenne) |
| Verzy, see Mont Sinaï | Meulière | France (Marne department, Champagne-Ardenne) |
| Veszprém | Radiolarite | Hungary (Veszprém) |
| Vetschau/Orsbach-Vetschauer Berg | Flint | Germany (Nordrhein-Westfalen/Northrhine-Westphalia) |
| Viefvillers | Flint | France (Oise department, Picardie) |
| Vienna, see Wien-Mauer | Radiolarite | Austria (Vienna) |
| Villemaur-sur-Vanne | Flint | France (Pays d'Othe, Aube department) |
| Villes-En Lachat | flint | France (Bugey, Ain department) |
| Viničky | Obsidian | Slovak Republic (Trebišov) |
| Vion | Flint | Italy (Trentino) |
| Vlára pass | Radiolarite | Slovak Republic (Vlára region) |
| Vrbka, see Skršin | Quartzite | Czech Republic (Bohemia) |
| Vrouwenbos | Flint | Belgium (Flanders, Limburg) |
| Vršatské-Podhradie, see Chmel'ová | Radiolarite | Slovak Republic (Vlára region) |
| Vyšná Kamenica | Opalite | Slovak Republic (Slanské mountains) |
| W | ||
| Wachtelkopf, see Schneeberg-Wachtelkopf | Flint | Germany (Aachen/Aix-la-Chapelle, Northrhine-Westphalia) |
| Wanel, see Hallencourt | Flint | France (Somme department, Picardie) |
| Wansin, see Haspengauw | Flint | Belgium (Haspengauw) |
| Wąwóz Homole | Radiolarite | Poland (Pieniny mountains) |
| Weddersleben, see Teufelsmauer | Quartzite | Germany (Quedlinburg, Sachsen-Anhalt) |
| Wehr | Flint | Germany (Baden-Württemberg, Dinkelberg) |
| Weng, see Maierhof | Flint | Germany (Ortenburger Jura, Bavaria) |
| Wien-Mauer, Antonshöhe | Radiolarite | Austria (Vienna) |
| Wierzbica-"Zele" | Flint | Poland (Radom) |
| Wilkensberg, see Seffent-Wilkensberg | Flint | Germany (Aachen/Aix-la-Chapelle, Northrhine-Westphalia) |
| Wittlingen | Flint | Germany (Suebian Alb, Tutlingen district, Baden-Württemberg) |
| Wommersom | Quartzite | Belgium (Brabant, Flanders) |
| X | ||
| Y | ||
| Yebra | Chert | Spain (Guadalajara, Castilla-La Mancha) |
| Yunclillos | Chert | Spain (Toledo, Castilla-La Mancha) |
| Z | ||
| Zauschwitz | Quartzite | Germany (Saxony) |
| Żdżar | Radiolarite | Poland (Podhale basin, Nowy Sącz) |
| Zele, see Wierzbica-"Zele" | Flint | Poland (Radom) |
| Zemplén mountains | Quartzite | Hungary (Zemplén) |
| Zemplín | Jasper | Slovak Republic (Slanské mountains) |
| Zipfelbach | "Kieseltuff" | Germany (Randecker Maar, Baden-Württemberg) |
| Žitenice | Quartzite | Czech Republic (Bohemia) |