0.46 ct Grandidierite Open Colors Gemstone

Item Information

Dimensions (mm) 4.79 x 4.26 x 3.22mm
Weight (carats) 0.46 carats
Certified Gemstone
No Treatment
Clarity (VVS)
Clarity (VS)
Color (D - F)
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Description

Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier who studied the natural history of Madagascar. Grandidierites appear bluer in color the more iron they contain. Wikipedia
Mohs scale hardness: 7.5
Crystal class: Dipyramidal; H-M symbol: (2/m 2/m 2/m)
Crystal system: Orthorhombic
Color: Cyan to turquoise; bluish green
Refractive index: 1.583 - 1.639
Pleochroism: Visible
Cleavage: Perfect

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1344448
Watchers 18 watching
Viewed 398 times
Starts 12th Nov 2020 10:50am PST
Ends 19th Nov 2020 10:50am PST

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