69.35 Carats Idocrase Cabochon

Item Information

Dimensions (mm) 27.15 x 24.6 x 11.7mm
Weight (carats) 69.35 carats
Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral. Vesuvianite occurs as tetragonal crystals in skarn deposits and limestones that have been subjected to contact metamorphism. It was first discovered within included blocks or adjacent to lavas on Mount Vesuvius, hence its name. Wikipedia
Crystal system: Tetragonal
Crystal class: Ditetragonal dipyramidal (4/mmm); H-M symbol: (4/m 2/m 2/m)
Crystal habit: Short pyramidal to long prismatic crystals common, massive to columnar
Optical properties: Uniaxial (−)
Mohs scale hardness: 6–7
Space group: P4/nnc
Cleavage: Poor on, and, very poor on

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1368524
Watchers 6 watching
Viewed 153 times
Starts 9th Dec 2020 12:19pm PST
Ends 16th Dec 2020 12:19pm PST

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