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Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows
Mathiasite (M) exhibiting typical curvilinear cracks and incipient decomposition (upper left and lower right). Sample JFIS-I, Jagersfontein. Reflected light in air. (AmMin, v68:494).
Metasomatized peridotites and heavy media concentrates from four kimberlites in the Republic of South Africa.
Scale Bar 0.2 mm.
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