AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Opal var. Hyalite Opal (with 0.25 carat gemstone)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

 
Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Photo below under shortwave ultraviolet illumination:
Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Photo below under longwave ultraviolet illumination:
Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

DESCRIPTION:No. 82434
Mineral:Opal var. Hyalite Opal (with 0.25 carat gemstone)
Locality:San Luis Potosi, Mexico
Description:Lustrous transparent yellow-green hyalite opal in rounded aggregates to 6 mm diameter on gray-brown matrix, with a faceted 0.2 carat 5x4 mm gemstone. The hyalite opal fluoresces bright green under LW-SW UV illumination. The sides were sawn flat. Ex. Miller collection T2622
Overall Size:30x18x18 mm
Crystals:
Archived: For reference only

 

 

 

 

 

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