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Name of the Mineral
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Penninite
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Chemical formula
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H8(MgFe)5Al2Si3O8
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Length/Longest Diameter (cm)
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L:4.5,H:1.5,W:3.5
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Description (Colour, habit, form, hardness, lustre,Streak, feel,Twinning, Cleavage, Fracture any special property)
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Dark green, massive flaky vitreous lustres with green garnet
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Class
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Silicates
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Sub-class
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Phyllosilicates
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Locality
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Zermatt
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State/Country
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Switzerland
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Photo Link
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CHQ_CCU_GSI_MUS_0465
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Date of Photography
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11/29/2016
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Penninite
Penninite belongs to Rocks and Minerals Gallery