grossular garnet
grossular garnet, tourmalinated quartz, & onyx
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composition | a member of the garnet family, a calcium-aluminum silicate |
name source | grossularite from the Latin botanical name of the gooseberry, R. grossularia (referring to the particular shade of green) |
other accepted names | grossularite, green garnet, Transvaal jade, African jade, South African jade, gooseberry garnet, grossular garnet |
color | a range of mossy greens |
color source | black specks are from the mineral magnetite |
significant sources | Canada, Pakistan, Russia, South Africa (Transvaal), Sri Lanka, Tanzania, US |
MOH scale | 6.5 - 7 |
care and treatment | Wash in warm soapy water or clean in ultra sonic jewelry cleaner. |
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