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Indialite 1.80 ct.

#7927

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40,00 €

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Indialite 1.80 ct.

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Indialite

A massive pale reddish-brown of pure microcrystalline Indialite. This material is probably the richest Indialite ever found.

Formed by fusion and recrystallization of sedimentary rocks as a result of the burning of underlying coal seams. High temperature polymorph of cordierite.Hardness is 7-7.5.Formula Mg2Al4Si5O18 .

From Durham Ranch, Wright, Reno Junction, Campbell Co., Wyoming / USA

Size: 8.7x8.6x6.2 mm.

Weight: 1.80 ct.

CODE#7927

OriginWyoming

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