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MINERAL APPRAISAL SERVICES

We have experience appraising single mineral specimens and very large collections.  Appraisal services include: Replacement Cost for Insurance Coverage or Insured Losses, Fair-Market Value for IRS Charitable Donations, Fair-Market Value for Asset Distributions and Divorces, and Wholesale and/or Retail Value appraisals. 
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GNEISSWARE MINERAL CATALOG SOFTWARE

Try a free trial of our easy-to-use Windows-based software for cataloging and organizing your mineral collection. 
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Visit GneissWare Mineral Catalog

 

CONTACT INFORMATION

Bob Griffis Minerals
2100 Montrose Ave #37
Montrose, CA 91021
(818) 244-7472

 

FEATURED SPECIMENS
  • Azurite on Quartz
    Azurite on Quartz
    Sierra Rica, Municipio de Manuel Benavides, Chihuahua, Mexico
  • Adamite
    Adamite
    Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
  • Beryl ( v. Heliodor )
    Beryl ( v. Heliodor )
    Aqua Vermelha, Padre Paraíso region, Minas Gerais, Brazil
  • Arsenopyrite
    Arsenopyrite
    Concepcion del Oro District, Municipio de Concepcion del Oro, Zacatecas, Mexico
  • Barite
    Barite
    Muddy Creek area, Summitville District, Rio Grande County, Colorado, USA
  • Quartz with Hematite
    Quartz with Hematite
    Four Peaks area, Mazatzal Mts., Maricopa County, Arizona, USA
  • Smithsonite
    Smithsonite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Azurite with Cerussite
    Azurite with Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Azurite and Malachite
    Azurite and Malachite
    Lavender Pit, Warren District, near Bisbee, Cochise County, Arizona, USA
  • Wulfenite on Galena with Fluorite
    Wulfenite on Galena with Fluorite
    Toughnut Mine (possibly Empire Mine), Tombstone District, Tombstone, Cochise County, Arizona, USA
  • Smithsonite with Azurite and Malachite
    Smithsonite with Azurite and Malachite
    Grand View Mine, Horseshoe Mesa, Grand Canyon, Coconino County, Arizona
  • Vanadinite
    Vanadinite
    North Geronimo Mine, Silver District, Trigo Mts., La Paz County, Arizona, USA
  • Azurite
    Azurite
    Jerome, Verde District, Yavapai County, Arizona, USA
  • Stibnite
    Stibnite
    Manhattan District, Nye County, Nevada, USA
  • Plancheite ( v.
    Plancheite ( v. "Bisbeeite" ) with Dioptase
    Harquahala Mine, Little Harquahala District, Little Harquahala Mts, Salome, La Paz County, Arizona, USA
  • Barite
    Barite
    Bisbee, Warren District, Cochise County, Arizona, USA
  • Cerussite
    Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Wulfenite
    Wulfenite
    Stevenson-Bennett Mine, Organ District, Organ Mts., Dona Ana County, New Mexico, USA
  • Cerussite
    Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Lazulite with Augelite
    Lazulite with Augelite
    Rapid Creek, Dawson Mining District, Yukon Territory, Canada
  • Atacamite
    Atacamite
    Copiapo, Atacama Region, Chile
  • Silver and Calcite
    Silver and Calcite
    New Nevada Mine, Andres Del Rio District, Batopilas, Municipio de Batopilas, Chihuahua, Mexico
  • Cumengeite on Boleite
    Cumengeite on Boleite
    Amelia Mine, Boléo District, Santa Rosalia, Canada de Curuglu, Municipio de Mulege, Baja California Sur, Mexico
  • Vanadinite on Calcite
    Vanadinite on Calcite
    San Carlos (Apex) Mine, San Carlos District, Municipio de Manuel Benavides, Chihuahua, Mexico
  • Elbaite with Lepidolite
    Elbaite with Lepidolite
    San Diego Mine, Mesa Grande District, San Diego County, California, USA
  • Skutterudite
    Skutterudite
    Bou Azzer District, Anti-Atlas Mts., Ouarzazate Province, Morocco
  • Andradite ( v. Topazolite )
    Andradite ( v. Topazolite )
    Stanley Butte, Stanley District, San Carlos, Graham County, Arizona, USA
  • Elbaite
    Elbaite
    San Diego Mine, Mesa Grande District, San Diego County, California, USA
  • Vanadinite
    Vanadinite
    Rowley Mine, Painted Rock District, Theba, Maricopa County, Arizona, USA
  • Serandite
    Serandite
    Poudrette Quarry, Mt. Saint-Hilaire, Rouville County, Quebec, Canada
  • Adamite
    Adamite
    Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
  • Aragonite
    Aragonite
    Minglanilla, Cuenca, Castilla-La Mancha Comunidad Autonoma, Spain
  • Barite
    Barite
    Juanita Mine, Magdalena District, Kelly, Socorro County, New Mexico, USA
  • Celestine with Calcite
    Celestine with Calcite
    Maybee, Michigan, USA
  • Vivianite with Pyrite
    Vivianite with Pyrite
    Morococala Mine, Santa Fe Mining District, near Morococala, Dalence Province, Oruro Department, Bolivia
  • Brazilianite with Tapiolite
    Brazilianite with Tapiolite
    Corrego Frio, Divino das Laranjeiras, Governador Valadares, Rio Doce, Minas Gerais, Brazil
  • Hemimorphite
    Hemimorphite
    Bocoyna Mine, Cerro las Minitas, Municipio de Guadalupe Victoria, Durango, Mexico
 
 
NEWEST SPECIMENS
Cerussite
Cerussite  
Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
$450
41 x 27 x 16 mm overall
Cerussite
Cerussite  
Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
$500
32 x 27 x 25 mm overall
Adamite
Adamite  
Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
$350
30 x 28 x 15 mm overall
Azurite and Malachite
Azurite and Malachite  
Lavender Pit, Warren District, near Bisbee, Cochise County, Arizona, USA
$500
52 x 31 x 25 mm overall
Danburite
Danburite  
Charcas District, Municipio de Charcas, San Luis Potosi, Mexico
$125
32 x 22 x 15 mm overall
Stibnite with Marcasite
Stibnite with Marcasite  
Ilba-Baiut Metallogenic District, Baiut, Maramures County, Romania
$250
75 x 48 x 41 mm overall