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Winchite, Sodalite (Var: Hackmanite)


Winchite : ☐[CaNa][Mg4(Al,Fe3+)][(OH)2|Si8O22], Sodalite (Var: Hackmanite) : Na8Al6Si6O24(Cl2,S)

A mass of bladed white winchite and massive crystalline sodalite var. hackmanite. There are two areas of hackmanite in this rock, one area is 3cm X 3cm, the other 2.2cm X 2.2cm. There is one perfect 5mm terminated crystal at the top of the specimen.The natural colour is a pale purple - more intense in daylight. In UV light the thing becomes a bright fire orange and phosphoresces strongly when light is removed.Listed on eBay 24 August 2002- Reserve Price = $40 - Item Ref: 2134421623.

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