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Analcime VIII - Tectosilicates (Feldspar Group)

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Name		Analcime
Chemistry		Na[AlSi2O6]·H2O
Hardness		5.5
Lustre		vitreous
Colour		clear, white, grey, yellow, red
Streak		white
Density [g/cm3]		2.2 - 2.3
Crystal habit		isometric, crystals mainly [211]
Cleavage, Fracture		fracture uneven to conchoidal
other characteristics and occurrences		in cavities of plutonic and volcanic rocks, also sedimentary formation

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst

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