Schorl
Erongo Mountains, Karibib Constituency, Erongo Region, Namibia
Photograph 1 of 7
Opal-AN on Schorl
Erongo Mountains, Karibib Constituency, Erongo Region, Namibia
Reference specimen
Dimensions
Display units
- Metric
- 4.3 x 2.7 x 2.5 cm
- Inches
The specimen has a doubly terminating crystal of schorl with the upper termination topped in opal-AN. The opal has grown in two phases, the first phase leaving a small botryoidal surface over pearlescent white opaque opal. Then the second phase of reniform to botryoidal intergrowths of transparent light yellow green opal defined the surface layers. The opal-AN fluoresces highly under long-wave UV light.
Specimen data
- Specimen number
- SAMS-183
- Size class
- Miniature
- Country
- Namibia
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Mineral sizing guide
Longest dimension: Thumbnail up to 3 cm, Miniature up to 5 cm, Small Cabinet up to 9.4 cm, Cabinet over 9.4 cm. Size guide
