AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Tilasite - CaMg(AsO4)F

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

 
Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

Photo below under shortwave ultraviolet illumination:
Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

Photo below under longwave ultraviolet illumination:
Tilasite - CaMg(AsO4)F from Mina Ojuela, Mapimí, Durango, Mexico

DESCRIPTION:No. 81280
Mineral:Tilasite - CaMg(AsO4)F
Locality:Mina Ojuela, Mapimí, Durango, Mexico
Description:Lustrous translucent green-gray tilasite crystals in hemispherical aggregates to 4 mm diameter on brown matrix. Tilasite, a rare calcium-magnesium arsenate, fluoresces green under LW-SW UV illumination, and is a new species for Mexico and Mina Ojuela. Ex. Marshall Sussman; new find in 2021
Overall Size:32x25x12 mm
Crystals:micro to 1 mm
Archived: For reference only

 

 

 

 

 

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