Color: Garnets occur in all colors except blue. Almandine is typically a deep red-violet, also can be red, brownish-red and brownish-black. Pyrope usually a blood-red, also dark red, purplish-red, orangish-red and pinkish-red. Spessartine can be orange, reddish-orange, red, reddish-brown, yellowish-brown and brown. Andradite occurs in yellowish-green, green, greenish-brown, gray and black. Grossular can be colorless, gray, many shades of yellow and green, also pink, red, brown and black. Uvarovite is a dark green.
Luster: vitreous to resinous, can occur with chatoyancy due to minute asbestiform inclusions of pyroxene or amphibole, yielding a four-ray star when fashioned into a cabochon gem.
Transparency: transparent to opaque
Fracture: conchoidal, somewhat brittle
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