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Bustamite 20.54 ct.

#3283

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450,00 €

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Bustamite 20.54 ct.

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Bustamite

Is a Manganese Calcium silicate with formula (Ca,Mn)SiO3 and hardness 5.5-6-6

Often associated with sugilite and richterite but always opaque and full of fractures. Is very rare to find it translucent or gem quality without impurity, maybe less then 1/1000 is of good quality.

This material comes from Wessel Mine, Kalahari Manganese Fields,South Africa.

Size:17.2x14.1x10.1 mm.

Weight:20.54 ct.

CODE#3283

OriginS.Africa

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