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Harkerite Image

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 Harkerite

Large Harkerite Image

Mineral: Harkerite: Ca24Mg8Al2(SiO4)8(BO3)6(CO3)10ยท2(H2O)
Comments: B&W PPL image of harkerite (Hrk) and clintonite (Cln) aggregate with inclusions of spinel (Spl) in Crestmore marble #2A Mgt: magnetite, Anh: anhydrite, Cal: calcite.
Location: Low-pressure contact aureole in the Crestmore quarry, Riverside County, California, USA. (CanMin, v37:277).
Scale: See Image.
Copyright: © Canadian Mineralogist
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