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Name of the Mineral
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Tourmaline
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Chemical formula
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(Ca,K,Na)(Al,Fe,Li,Mg,Mn)3(Al,Cr, Fe,V)6(BO3)3(Si,Al,B)6O18(OH,F)4
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Length/Longest Diameter (cm)
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L:3
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Description (Colour, habit, form, hardness, lustre,Streak, feel,Twinning, Cleavage, Fracture any special property)
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Crystals in prismatic form, whih are blue (Indicolite) internally and green externally in albite granulite
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Class
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Silicates
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Sub-class
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Sorosilicates
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Photo Link
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CHQ_CCU_GSI_MUS_0357
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Date of Photography
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11/17/2016
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Tourmaline
Tourmaline belongs to Rocks and Minerals Gallery