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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
  • Chrysocolla ( ps. Azurite ) with Wulfenite
    Chrysocolla ( ps. Azurite ) with Wulfenite
    Whim Creek, Pilbara Region, Western Australia, Australia
  • Lazulite with Augelite
    Lazulite with Augelite
    Rapid Creek, Dawson Mining District, Yukon Territory, Canada
  • Adamite
    Adamite
    Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
  • Vanadinite on Calcite
    Vanadinite on Calcite
    San Carlos (Apex) Mine, San Carlos District, Municipio de Manuel Benavides, Chihuahua, Mexico
  • Stibnite
    Stibnite
    Manhattan District, Nye County, Nevada, USA
  • Fluorite
    Fluorite
    Nikolaevskiy (Nikolaev) Mine, Dal'negorsk, Primorskiy Kray, Russia
  • Adamite
    Adamite
    Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
  • Celestine with Calcite
    Celestine with Calcite
    Maybee, Michigan, USA
  • Epidote
    Epidote
    Bourg d'Oisans, Isère, Rhone-Alpes Region, France
  • Hemimorphite
    Hemimorphite
    Bocoyna Mine, Cerro las Minitas, Municipio de Guadalupe Victoria, Durango, Mexico
  • Calcite and Malachite
    Calcite and Malachite
    Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
  • Azurite with Cerussite
    Azurite with Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Azurite on Quartz
    Azurite on Quartz
    Sierra Rica, Municipio de Manuel Benavides, Chihuahua, Mexico
  • Vanadinite
    Vanadinite
    Rowley Mine, Painted Rock District, Theba, Maricopa County, Arizona, USA
  • Skutterudite
    Skutterudite
    Bou Azzer District, Anti-Atlas Mts., Ouarzazate Province, Morocco
  • Brazilianite with Tapiolite
    Brazilianite with Tapiolite
    Corrego Frio, Divino das Laranjeiras, Governador Valadares, Rio Doce, Minas Gerais, Brazil
  • Arsenopyrite
    Arsenopyrite
    Concepcion del Oro District, Municipio de Concepcion del Oro, Zacatecas, Mexico
  • Cerussite
    Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Andradite ( v. Topazolite )
    Andradite ( v. Topazolite )
    Stanley Butte, Stanley District, San Carlos, Graham County, Arizona, USA
  • Serandite
    Serandite
    Poudrette Quarry, Mt. Saint-Hilaire, Rouville County, Quebec, Canada
  • Plancheite ( v.
    Plancheite ( v. "Bisbeeite" ) with Dioptase
    Harquahala Mine, Little Harquahala District, Little Harquahala Mts, Salome, La Paz County, Arizona, USA
  • Silver and Calcite
    Silver and Calcite
    New Nevada Mine, Andres Del Rio District, Batopilas, Municipio de Batopilas, Chihuahua, Mexico
  • Wulfenite
    Wulfenite
    Stevenson-Bennett Mine, Organ District, Organ Mts., Dona Ana County, New Mexico, USA
  • Barite
    Barite
    Bisbee, Warren District, Cochise County, Arizona, USA
  • Cumengeite on Boleite
    Cumengeite on Boleite
    Amelia Mine, Boléo District, Santa Rosalia, Canada de Curuglu, Municipio de Mulege, Baja California Sur, Mexico
  • Elbaite with Lepidolite
    Elbaite with Lepidolite
    San Diego Mine, Mesa Grande District, San Diego County, California, USA
  • Atacamite
    Atacamite
    Copiapo, Atacama Region, Chile
  • Vivianite with Pyrite
    Vivianite with Pyrite
    Morococala Mine, Santa Fe Mining District, near Morococala, Dalence Province, Oruro Department, Bolivia
  • Vanadinite
    Vanadinite
    North Geronimo Mine, Silver District, Trigo Mts., La Paz County, Arizona, USA
  • Beryl ( v. Heliodor )
    Beryl ( v. Heliodor )
    Aqua Vermelha, Padre Paraíso region, Minas Gerais, Brazil
  • Danburite with Bornite
    Danburite with Bornite
    Charcas District, Municipio de Charcas, San Luis Potosi, Mexico
  • Wulfenite on Galena with Fluorite
    Wulfenite on Galena with Fluorite
    Toughnut Mine (possibly Empire Mine), Tombstone District, Tombstone, Cochise County, Arizona, USA
  • Elbaite
    Elbaite
    San Diego Mine, Mesa Grande District, San Diego County, California, USA
  • Barite
    Barite
    Muddy Creek area, Summitville District, Rio Grande County, Colorado, USA
  • Cerussite
    Cerussite
    Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
  • Barite
    Barite
    Juanita Mine, Magdalena District, Kelly, Socorro County, New Mexico, USA
  • Azurite and Malachite
    Azurite and Malachite
    Lavender Pit, Warren District, near Bisbee, Cochise County, Arizona, USA
  • Smithsonite with Azurite and Malachite
    Smithsonite with Azurite and Malachite
    Grand View Mine, Horseshoe Mesa, Grand Canyon, Coconino County, Arizona
 
 
NEWEST SPECIMENS
Elbaite with Lepidolite on Quartz
Elbaite with Lepidolite on Quartz  
Stewart Mine, Pala District, San Diego County, California, USA
$240
97 x 83 x 54 mm overall
Arsenopyrite
Arsenopyrite  
Concepcion del Oro District, Municipio de Concepcion del Oro, Zacatecas, Mexico
$600
47 x 37 x 33 mm overall
Danburite with Bornite
Danburite with Bornite  
Charcas District, Municipio de Charcas, San Luis Potosi, Mexico
$1800
166 x 143 x 68 mm overall
Adamite
Adamite  
Ojuela Mine, Mapimi District, Bufa de Mapimi, Municipio de Mapimi, Durango, Mexico
$450
25 x 23 x 15 mm overall
Cerussite
Cerussite  
Tsumeb Mine, Tsumeb District, Oshikoto Region, Namibia
$450
41 x 27 x 16 mm overall
Skutterudite
Skutterudite  
Bou Azzer District, Anti-Atlas Mts., Ouarzazate Province, Morocco
$500
30 x 24 x 21 mm overall