Prasiolite — Photo: Rama · CC BY-SA 3.0 fr
Prasiolite
Also known as: Green amethyst, Vermarine.
The green variety of quartz — 'green amethyst' — colored by Fe²⁺, often produced by heating amethyst.
Intro adapted from Wikipedia (CC BY-SA).
Prasiolite is a mineral variety of Quartz, with the chemical formula SiO₂.
It crystallizes in the trigonal crystal system.
Key properties: Mohs hardness 7; typically green.
Collections: Gemstones, Rare & Remarkable.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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