Mineral Photo Archive of Molybdates, Arsenates & Miscellaneous

Montdorite from Mont-Dore, La Bourboule (near), Puy-de-Dôme, France (Type Locality for Montdorite)

Montmorillonite from Baker, San Bernardino County, California

Montmorillonite, Muscovite, Albite var. Cleavelandite from Strickland Quarry, Collins Hill, Portland, Middlesex County, Connecticut

Mopungite from Desert Peak, Mopung Hills, Churchill County, Nevada (Type Locality for Mopungite)

Morosenite (synthetic of unknown composition) from Man-made

Mosandrite from Barkevik, Langesundfjord, Norway (Type Locality for Mosandrite)

Mottramite from Socorro Peak, Socorro, New Mexico

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Otavi, Otavi Mountain Land, Namibia

Mottramite from Total Wreck Mine, Empire Mountains, Pima County, Arizona

Mottramite from Total Wreck Mine, Empire Mountains, Pima County, Arizona

Mottramite from Putnam Wash, San Manuel, Pinal County, Arizona

Mottramite from Mammoth-St. Anthony Mine, Tiger, Mammoth District, Pinal County, Arizona

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Finch Mine (Barking Spider Mine), north of Hayden, Banner District, Gila County, Arizona

Mottramite from Finch Mine (Barking Spider Mine), north of Hayden, Banner District, Gila County, Arizona

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite from Mina Ojuela, Level 35, Mapimi, Durango, Mexico

Mottramite from Mina Ojuela, Level 35, Mapimi, Durango, Mexico

Mottramite / Descloizite from Summit Mine, Broadwater County, Montana

Mottramite / Descloizite from Summit Mine, Broadwater County, Montana

Mottramite / Descloizite from Summit Mine, Broadwater County, Montana

Mottramite and Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite and Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite and Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite and Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite intergrown with Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite on Wulfenite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mottramite over Phosphohedyphane on Cerussite from Cove Vein, Whytes Cleuch, Wanlockhead, Dumfriesshire, Scotland

Mottramite var. Cuprodescloizite from Goodsprings District, Clark County, Nevada

Mottramite var. Cuprodescloizite from Goodsprings District, Clark County, Nevada

Mottramite var. Cuprodescloizite from Goodsprings District, Clark County, Nevada

Mottramite var. Psittacinite on Descloizite from Uris Mine, Bobos Area, Otavi-Bergland District, Oshikoto, Namibia

Mottramite with Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Mountain Cork (assorted amphiboles) from Blythe, Riverside County, California

Murdochite on Quartz from Mex-Tex Mine, Hansonburg District, 8.5 km south of Bingham, Socorro County, New Mexico

Murdochite on Smithsonite from Silver Hill Mine, Pima County, Arizona

Murdochite with Malachite-Rosasite on Quartz from Bisbee District, Cochise County, Arizona

Murdochite, Malachite, Calcite from Southwest Mine, 5th Level, Bisbee, Warren District, Cochise County, Arizona

Muscovite var. Rose Muscovite with Allanite-(Ce) from Harding Mine, 8 km east of Dixon, Taos County, New Mexico

Museumite and Nagyagite from Nagyag, Metaliferi Mountains, Transylvania, Romania (Type Locality for Museumite and Nagyagite)

Mushistonite var. Cuprocassiterite from Etta Tin Mine, Keystone District, Pennington County, South Dakota

Nadorite with Smithsonite from Mine du Djebel Debar, Meskhootine, Constantine Province, Algeria (Type Locality for Nadorite)

Nagashimalite from Mogurazawa Mine, Kiryu City, Gumma Prefecture, Honshu Island, Japan (Type Locality for Nagashimalite)

Nakauriite from Nakauri Mine, Aichi, Shinshiro, Honshu, Japan (Type Locality for Nakauriite)

Nakauriite from Nakauri Mine, Aichi, Shinshiro, Honshu, Japan (Type Locality for Nakauriite)

Nakauriite from Penn-MD Quarry, near Peach Bottom, Fulton Township, Lancaster County, Pennsylvania

Namibite and Beyerite from Mesopotamia 504 Farm, West of Khorixas, Kunene Region, Namibia (Type Locality for Namibite)

Nantokite from Broken Hill, New South Wales, Australia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Mont Saint-Hilaire, Quebec, Canada

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Narsarsukite from Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Native American Arrowheads from Native American hunting encampment north of Bethel, Oxford County, Maine

Naujakasite with Arfvedsonite from Naujakasik, Ilimaussaq complex, Narsaq, South Greenland, Greenland (Type Locality for Naujakasite and Arfvedsonite)

Nekoite from Wet Weather Quarry, Crestmore, Riverside County, California (Type Locality for Nekoite)

New Mineral (= Magnesium-free analog of O'Danielite) on Schneiderhöhnite from Tsumeb Mine, 45 Level, 3rd Oxide Zone, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Schneiderhöhnite)

Nezilovite from Kalugeri Hill, Babuna Creek, 15 km northwest of Nezilovo, Jakupica Mountains, Veles, Macedonia (Type Locality for Nezilovite)

Nickeline var. Niccolite from Cobalt District, Ontario, Canada

Nickeline var. Niccolite from Cobalt District, Ontario, Canada

Nickeline var. Niccolite from Cobalt District, Ontario, Canada

Nickeline var. Niccolite from Eisleben, Thuringia, Germany

Nickeline var. Niccolite from Cobalt District, Ontario, Canada

Nickeline var. Niccolite and Breithauptite from Helen's Eplett Mine, Cobalt District, Ontario, Canada

Nickeline var. Niccolite and Rammelsbergite from Great Slave Lake, Northwest Territories, Canada

Nickeline var. Rothnickelkies from Schneeberg District, Sachsen (Saxony), Germany

Nickeline with Annabergite from Cobalt District, Ontario, Canada

Ningyoite from Ningyo-Toge Mine, Tottori Prefecture, Honshu Island, Japan (Type Locality for Ningyoite)

Norbergite, Phlogopite, Graphite from Lime Crest Quarry (Limecrest), Sussex Mills, 4.5 km northwest of Sparta, Sussex County, New Jersey

Norbergite, Phlogopite, Graphite from Lime Crest Quarry (Limecrest), Sussex Mills, 4.5 km northwest of Sparta, Sussex County, New Jersey

Novácekite on Aragonite from Zacatecas, Mexico

Novacekite on Gypsum from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Novacekite on Gypsum from Virgen Mine, Aldama, Chihuahua, Mexico

Novacekite on Gypsum from Aldama, Chihuahua, Mexico

Novacekite, Gypsum, Calcite from Las Animas Mine, Aquiles Serdán, Chihuahua, Mexico

Novacekite, Gypsum, Calcite from Las Animas Mine, Aquiles Serdán, Chihuahua, Mexico

Nyerereite and Gregoryite from Oldoinyo Lengai volcano, Maasai Steppe, East Africa Rift Valley, Tanzania (Type Locality for Nyerereite and Gregoryite)

Oboyerite, Jarosite, Rodalquilarite from Grand Central Mine, Tombstone District, Cochise County, Arizona (Type Locality for Oboyerite)

Obradovicite with Jarosite, Quartz from Mina Chuqui, Chuquicamata, Antofagasta, Chile (Type Locality for Obradovicite)

Obradovicite, Jarosite, Wulfenite, Quartz from Mina Chuqui, Chuquicamata, Atacama Desert, Chile (Type Locality for Obradovicite)

Obsidian from Vulcano, Aeolian Islands, Italy

Obsidian var. Apache Tears from Superior, Pinal County, Arizona

Obsidian with Cristobalite inclusions (Snowflake Obsidian) from California

Ohmilite from Ohmi, Niigata, Japan (Type Locality for Ohmilite)

Okaite (feldspathoidal ultramafic igneous rock) from Husereau Hill, Oka Complex, Deux-Montagnes, Quebec, Canada

Okanoganite-(Y) and Arfvedsonite from Washington Pass, Okanogan County, Washington (Type Locality for Okanoganite-(Y))

Olivenite from Majuba Hill, Pershing County, Nevada

Olivenite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite from Tolcarne Mine, Cornwall, England

Olivenite from Tintic District, Juab County, Utah

Olivenite from Majuba Hill Mine, Pershing County, Nevada

Olivenite from Wheal Unity, Gwennap, Cornwall, England

Olivenite from Wheal Gorland, St. Day, Cornwall, England

Olivenite from Carissa Mine, Tintic District, Juab County, Utah

Olivenite from Mylar Mine, Majuba Hill, Pershing County, Nevada

Olivenite from Majuba Hill, Pershing County, Nevada

Olivenite from Majuba Hill Mine, Pershing County, Nevada

Olivenite from Majuba Hill, Pershing County, Nevada

Olivenite from Wheal Unity, St. Day District, Cornwall, England

Olivenite from Mine du Cap Garonne, Le Pradet, Provence-Alpes-Côte d'Azur, France

Olivenite and Cornwallite on Quartz from Bawden's Shaft, Wheal Gorland, St. Day, Cornwall, England (Type Locality for Cornwallite)

Olivenite and Malachite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite and Malachite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite and Malachite from Lake Mine (Gunnis Lake Mine?), Cornwall, England

Olivenite and Smithsonite from Hilarion adit, Kamareza Mine, Laurium District, Attika, Greece

Olivenite on Calcite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite on Quartz from (Centennial Eureka Mine?), (Tintic District?), Utah

Olivenite on Quartz from Wheal Gorland, St. Day District, Cornwall, England

Olivenite var. Leucochalcite from Mine du Cap Garonne, Le Pradet, Provence-Alpes-Côte d'Azur, France

Olivenite with Bayldonite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia

Olivenite, Duftite, Cuproadamite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olmiite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Olshanskyite from Titovskoe Deposit, Tas-Khayakhtakh Range, Polar Yakutia, Saha, Russia (Type Locality for Olshanskyite)

Onoratoite from Cetine di Cotorniano Mine, Rosia, Siena, Toscana (Tuscany), Italy (Type Locality for Onoratoite)

Onoratoite from Cetine di Cotoriano, near Rosia, Siena, Tuscany, Italy (Type Locality for Onoratoite)

Organ Pipe Coral (Tubipora Musica) from Bahama Islands

Orpiment from Quiruvulca, Peru

Orpiment and Realgar from White Caps Mine, Manhattan District, Nye County, Nevada

Osarizawaite from Osarizawa Mine, Akita Prefecture, Japan (Type Locality for Osarizawaite)

Ovamboite in Germanite-Renierite matrix from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Ovamboite and Germanite)

Oxalic Acid Crystals (Synthetic) from Man-made

Oxalic Acid Crystals (Synthetic) from Man-made

Oyster Shells from midden probably from the Black Horse Tavern, Manhattan Island, near McGowan's Pass, New York City, New York County, New York

Ozokerite (mixture of hydrocarbons) from Spanish Fork Canyon, Utah County, Utah