Faceted anglesite gemstones from Tsumeb,SW Africa (Namibia) weighing 16.10 and 16.70 carats. Anglesite is lead sulfate,a mineral that seldom occurs as transparent crystals,and cut gemstones are quite rare. Tsumeb is the only significant locality for this material | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Arem, Joel |
Bildgröße: | 3830 px × 2550 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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