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Prasiolite (also known as green quartz, green amethyst or vermarine) is a green variety of quartz. Since 1950, almost all natural prasiolite has come from a small Brazilian mine, [citation needed] but it has also been mined in the Lower Silesia region of Poland. Naturally occurring prasiolite has also been found in the Thunder Bay area of ...
The green is caused by iron ions. [56] It is a rare mineral in nature and is typically found with amethyst; most "prasiolite" is not natural – it has been artificially produced by heating of amethyst. Since 1950 [citation needed], almost all natural prasiolite has come from a small Brazilian mine, but it is also seen in Lower Silesia in Poland.
Green quartz is sometimes called green amethyst; the scientific name is prasiolite. [9] Other names for green quartz are vermarine and lime citrine. Amethyst frequently shows color zoning, with the most intense color typically found at the crystal terminations. One of gem cutters' tasks is to make a finished product with even color. Sometimes ...
Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...
Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Despite the common use of the term "crystal", many popular stones used in crystal healing, such as obsidian, are not technically crystals. Adherents of the practice claim that these have healing ...
Uralian emerald a misnomer for green demantoid garnet; Oriental emerald a misnomer for both green corundum, and to the green chlorospinel type of natural spinel; Medina emerald a misnomer for emerald green glass; Lithia emerald a misnomer for green hiddenite variety of spodumene; Indian emerald a misnomer for green-dyed crackled quartz
Its color is normally apple-green, but varies from turquoise-like cyan to deep green. The darker varieties of chrysoprase are also referred to as prase . (However, the term prase is also used to describe chlorite -included quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.)
On Google search, I get 560,000 hits for "prasiolite" and 20,000 hits for "vermarine" (and 10,900 hits for "praseolite"). Prasiolite is the dominant scientific name and vermarine is mostly used in gem/jewellery/new age "crystal healing" contexts. Even the source references used in this article use prasiolite instead of vermarine.
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