Corundum var. Sapphire (twinned)

Ratnapura, Sabaragamuwa Prov., Sri Lanka

Thumbnail, 2.6 x 1.2 x 0.7 cm

Wulfenite and Mimetite

Rowley Mine, Painted Rock Mining Dist., Maricopa Co., Arizona, USA

Thumbnail, 2.0 x 1.7 x 0.8 cm

Pink Topaz

Katlang, Mardan Dist., Khyber Pakhtunkhwa Prov., Pakistan

Thumbnail, 1.9 x 1.2 x 1.0 cm

Apatite

Paraiba, Northeast Region, Brazil

Small Cabinet, 6.5 x 4.5 x 2.8 cm

Pyrrhotite and Fluorite with Calcite

Bairendaba Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China

Cabinet, 12.5 x 8.0 x 4.8 cm

Imperial Topaz on Quartz

Ouro Preto, Minas Gerais, Brazil

Small Cabinet, 9.2 x 8.1 x 4.5 cm

Rhodochrosite with Hubnerite, Quartz, Apatite

Sweet Home Mine, Mount Bross, Alma Mining Dist., Park Co., Colorado, USA

Miniature, 4.6 x 4.5 x 3.9 cm

Gold on quartz

Dixie Mine, Lamartine Mining Dist., Clear Creek Co., Colorado, USA

Small Cabinet, 9.1 x 8.2 x 2.8 cm

Proustite on calcite

Imiter mine, Imiter mining dist., Tinghir Prov., Drâa-Tafilalet Region, Morocco

Miniature, 5.1 x 4.6 x 3.7 cm

Galena (Spinel Twinned) with Calcite

Gibraltar Mine, Naica, Saucillo Mun., Chihuahua, Mexico

Small Cabinet, 8.7 x 6.8 x 5.3 cm

Fluorite ("red pocket")

Ojuela Mine, Mapimí, Mapimí Mun., Durango, Mexico

Small Cabinet, 5.7 x 5.4 x 4.0 cm

Rhodochrosite with Manganite

N'Chwaning I Mine, KMF, Northern Cape, South Africa

Thumbnail, 2.9 x 2.1 x 1.4 cm

Cornetite

L'Etoile du Congo Mine, Lubumbashi, Haut-Katanga, DR Congo

Cabinet, 14.8 x 8.2 x 5.9 cm

Manganoan Smithsonite with Wulfenite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

Cabinet, 10.4 x 6.2 x 6.2 cm

Fluorite

Felix Mine, Azusa, Los Angeles Co., California, USA

Small Cabinet, 8.6 x 7.5 x 3.2 cm

Hessite on Quartz

Botesti, Zlatna, Alba Co., Romania

Small Cabinet, 8.5 x 6.9 x 3.0 cm

Rhodochrosite on Manganite

N'Chwaning I Mine, Kuruman, KMF, Northern Cape, South Africa

Small Cabinet, 6.1 x 4.7 x 3.3 cm

Gold

Round Mountain, Toquima Range, Nye Co., Nevada, USA

Thumbnail, 2.9 x 2.5 x 0.9 cm

Silver with Acanthite

Butte Mining Dist., Silver Bow Co., Montana, USA

Thumbnail, 2.5 x 2.2 x 1.5 cm

Fluorite

Poggio Balate, Termini Imerese, Palermo Prov., Sicily, Italy

Large Cabinet, 18.8 x 14.4 x 9.1 cm

Fluorite

Poggio Balate, Termini Imerese, Palermo Prov., Sicily, Italy

Cabinet, 12.3 x 6.5 x 4.7 cm

Calcite (cobalt-bearing)

Mashamba West Mine, Kolwezi mining dist., Lualaba, DR Congo

Small Cabinet, 7.2 x 4.2 x 4.1 cm

Fresnoite on Analcime (Illustrated)

Junnila Mine, Santa Rita Peak, San Benito Co., California, USA

Miniature, 5.0 x 3.8 x 1.5 cm

Titanite

Capelinha, Minas Gerais, Brazil

Cabinet, 13.9 x 8.9 x 2.5 cm

Rhodochrosite

Hotazel Mine, Hotazel, KMF, Northern Cape, South Africa

Small Cabinet, 5.2 x 3.2 x 2.6 cm

Cronstedtite on Siderite

Salsigne mine, Carcassonne, Aude, Occitanie, France

Miniature, 4.8 x 4.2 x 2.0 cm

Orpiment with Calcite

Jiepaiyu Mine, Shimen Co., Changde, Hunan, China

Small Cabinet, 9.5 x 8.0 x 4.9 cm

Quartz with Halloysite inclusions

Cabiche, Quípama Mun., Boyacá Dept., Colombia

Large Cabinet, 22.0 x 19.0 x 14.0 cm

Quartz with Halloysite inclusions

Cabiche, Quípama Mun., Boyacá Dept., Colombia

Small Cabinet, 7.2 x 7.2 x 4.3 cm

Fluorite and Pyrite

Cerro de Pasco district, Pasco Province, Peru

Small Cabinet, 5.6 x 4.0 x 4.0 cm

Pyrite with Sphalerite

Huanzala Mine, Huallanca Dist., Bolognesi Prov., Áncash, Peru

Cabinet, 12.1 x 7.8 x 6.8 cm

Rhodochrosite

Huayllapon Mine, Pasto Bueno, Pampas Dist., Pallasca Prov., Áncash, Peru

Miniature, 4.5 x 3.2 x 1.9 cm

Cavansite

Wagholi Quarries, Wagholi, Pune Dist., Maharashtra, India

Thumbnail, 3.0 x 2.3 x 1.6 cm

Cubanite

Henderson No. 2 Mine, Jamesie, Nord-du-Quebec, Quebec, Canada

Thumbnail, 1.8 x 1.7 x 0.4 cm

Fluorite

Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China

Small Cabinet, 9.0 x 8.2 x 5.7 cm

Smithsonite var. Cuprian

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

Small Cabinet, 8.4 x 7.5 x 5.0 cm

Wire Gold with Ferberite

Chorolque Mine, Cerro Chorolque, Sud Chichas Province, Potosí, Bolivia

Small Cabinet, 6.1 x 4.4 x 3.4 cm

Gold (spinel twinned)

Aouint Ighoumane, Assa-Zag Province, Guelmim-Oued Noun Region, Morocco

Miniature, 4.8 x 4.5 x 1.6 cm

Calcite (Twinned)

Elmwood Mine, Carthage, Smith Co., Tennessee, USA

Cabinet, 10.9 x 7.8 x 4.8 cm

Chrysocolla in Quartz

Tentadora Mine, Julcani Dist., Angaraes Prov., Huancavelica, Peru

Small Cabinet, 6.6 x 6.3 x 4.2 cm

Rhodonite

San Martin Mine, Huallanca Dist., Bolognesi Prov., Ancash, Peru

Small Cabinet, 7.0 x 5.3 x 3.8 cm

Augelite on Quartz

Mundo Nuevo Mine, Huamachuco, La Libertad Dept., Peru

Small Cabinet, 9.5 x 6.6 x 5.8 cm

Rutile

Adams Mine, Alexander Co., North Carolina, USA

Miniature, 3.4 x 1.1 x 0.9 cm

Azurite with Malachite (circa 1930)

Sacramento Shaft, Bisbee, Warren Dist., Mule Mtns., Cochise Co., Arizona, USA

Thumbnail, 2.7 x 2.3 x 1.2 cm

Cuprian Adamite

Hilarion Mine, Lavrion Mining Dist., Lavreotiki, East Attica, Attica, Greece

Miniature, 4.4 x 2.2 x 0.7 cm

Elbaite

Tourmaline King Mine, Pala, San Diego Co., California, USA

Thumbnail, 3.1 x 1.7 x 1.6 cm

Wendwilsonite

Aghbar Mine, Bou Azzer mining dist., Drâa-Tafilalet Region, Morocco

Cabinet, 11.3 x 7.8 x 3.8 cm

Gold in Quartz

Ganzhizhou Mine, Meigu Co., Liangshan Autonomous Prefecture, Sichuan Province, China

Small Cabinet, 5.4 x 3.7 x 2.5 cm

Benitoite

Gem Mine, New Idria Mining Dist., San Benito Co., California, USA

Small Cabinet, 9.1 x 6.5 x 3.8 cm

Fluorite

Huanggang Mines, Hexigten Banner, Inner Mongolia A.R. China

Small Cabinet, 9.3 x 8.6 x 7.9 cm

Phosphophyllite

Unificada Mine, Cerro de Potosi, Potosi, Bolivia

Thumbnail, 1.8 x 1.8 x 1.1 cm