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Name of the Mineral
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Heulandite
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Chemical formula
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(Ca, Na) Al2Si7O18.6H2O
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Length/Longest Diameter (cm)
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L:7.5, H:2.6, W:6
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Description (Colour, habit, form,
hardness, lustre,Streak, feel, Twinning, Cleavage, Fracture any special property) |
Cuboidal crystals, arranged in booklike pattern
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Class
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Silicates
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Sub-class
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Tectosilictes
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Group
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Zeolite Group
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Crystallographic Details
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Monoclinic System
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State/Country
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Iceland
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Photo Link
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CHQ_CCU_GSI_MUS_0504
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Date of Photography
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12/2/2016
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Heulandite
Heulandite belongs to rocks and minerals gallery