AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Topaz with Hyalite Opal

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

 
Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

Photo below under shortwave ultraviolet illumination:
Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

Photo below under longwave ultraviolet illumination:
Topaz with Hyalite Opal from Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia

DESCRIPTION:No. 73444
Mineral:Topaz with Hyalite Opal
Locality:Kleine Spitzkoppe, 47 km WNW of Usakos, Erongo region, Namibia
Description:Five interconnected lustrous transparent colorless topaz crystals to 33 mm with bubbly crust of colorless hyalite opal on the bottom that fluoresces bright green under UV illumination. The topaz crystals are striated prisms with complex terminations. Collected ca. 1995. Fluoresces bright green under 365 nm LW UV illumination and 254 nm SW UV illumination
Overall Size:4x3.3x3 cm
Crystals:micro to 33 mm
Archived: For reference only

 

 

 

 

 

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