Beryl: Difference between revisions
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* 🟩 '''Green form of beryl is the widely known emerald.''' | * 🟩 '''Green form of beryl is the widely known emerald.''' | ||
* 🟦 '''Green form of beryl is the widely known aquamarine.''' | |||
== Related == | == Related == | ||
Revision as of 10:46, 5 September 2025
A hard beryllium aluminum silicate.
Beryllium is rare so usefulness as structural material is limited.
Al2Be3[Si6O18], hexagonal, Mohs 7.5 to 8.0
- 🟩 Green form of beryl is the widely known emerald.
- 🟦 Green form of beryl is the widely known aquamarine.
Related
- Bromellite: BeO, Mohs 9, hexagonal
- Topaz Mohs 8 (defining mineral) … another unusually hard widely known silicate but avoiding elemental scarcity