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