| Kieli | Käännökset |
|---|---|
| espanja | dioptasa |
| hollanti | dioptaas |
| italia | dioptasio |
| kreikka | διοπτάσιος (dioptásios) |
| puola | dioptaz |
| ranska | dioptase |
| saksa | Dioptas |
| suomi | dioptaasi |
| venäjä | диоптаз (dioptaz) |
| Monikko | dioptases |
An intense emerald-green to bluish-green copper cyclosilicate mineral.
Dark teal, emerald green – Six-sided prisms terminated by rhombohedrons, to massive – Perfect in three directions – Conchoidal – Brittle – 5 – Vitreous – Green – Transparent to translucent – 3.28–3.35 – Uniaxial (+) – Nω = 1.652 – 1.658 nε = 1.704 – 1.710 – Δ = 0.052.
An intense emerald-green to bluish-green copper cyclosilicate mineral.
Dioptase from the Tsumeb Mine, Tsumeb, Namibia
An intense emerald-green to bluish-green copper cyclosilicate mineral.
Dioptase with Cerussite, Christoff Mine, Kunene Region, Namibia. 6.9 × 5.7 × 4.8 cm