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Glaucophane (140)

Glaucophane (140)

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Glaucophane (140)
Na2 (Mg, Fe)3Al2Si8O22(OH)2,   Sodium Magnesium Iron Aluminum Silicate Hydroxide.
Glaucophane is named after its typical blue colour (The Greek glaucophane means "blue appearing"). This blue colour is very diagnostic for this mineral. Glaucophane, along with the closely related mineral riebeckite are the only common amphibole minerals that are typically blue.
This specimen is a dark grey colour with a blueish tinge to the crystals.

Price includes UK Post and Packaging.

Product Code: GLAN16

In Stock: 1

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