CHIASTOLITE -NATURAL CROSS-RUSSIA-DRILLED 125 CTS[MX2916]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone

CHIASTOLITE

THE CROSS STONE.

This is a natural untreated stones' parcel mined in Russia .They are drilled .

Weight 125 cts app

Size 19x19x6.7  mm round

The mineral chiastolite is a variety of andalusite. It is noted for distinctive cross-shaped black inclusions of graphite. The chiastolite crystals have been pseudomorphically altered by a mixture of muscovite, paragonite and margarite. The calcium rich margarite tends to form along the graphite rich crosses or bands within the chiastolite. Mineralogically the occurrence is important because all three white mica phases are present in an equilibrium assemblage.

$14.00 USD

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Pricing & Details

Auction ID 191926
Watchers 5 watching
Viewed 1,551 times
Starts 17th Jul 2010 8:42pm PDT

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