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Sensationelle Matrixstufe

Sensationelle Matrixstufe

 I don't think I've ever seen as rich a blue in a zoisite as this 10 cm specimen on matrix from the Merelani hills of Tanzania 


Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
System: Orthorhombic
Colour: Colourless, purple, ...
Lustre: Vitreous
Hardness: 6 – 7



Photo : © Malte Sickinger

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