Origin: Great Basin mine, Nye Co., Nevada, USA
Sample size: about 5 cm, crystals 4-5 mm
Grossular containing small amount of chromium causing green colour (however
not enough to be
uvarovite)
Origin: Jeffrey mine, Asbestos, Quebec, Canada
Sample size: about 8 cm, crystals to 2 mm
Origin: Black Lake mine, Thetford, Quebec, Canada
Sample size: 7 x 5 x 3 cm, crystals to 2 mm
Origin: Black Lake mine, Thetford, Quebec, Canada
Sample size: top 4 x 3 x 3 cm, crystals to 1.5 mm, middle 3.5 x 3 x 2 cm,
bottom 4 x 3 x 2 cm, crystals 1 mm
Origin: Stanely Butte, Graham Co., Arizona, USA
Sample size: 6 x 4 x 3 cm, crystals 8 mm
Origin: Wilui, Russia
Sample size: 1.5 cm dodecahedral crystal
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