Wavellite - angew. Mineralogie

Wavellite
VII - Phosphates

Crystal habit of Wavellite

Wavellite

`Name`		`Wavellite`
`Chemistry`		`Al₃[(OH)₃\|PO₄]₂·5H₂O`
`Hardness`		`3.5 - 4`
`Lustre`		`vitreous - pearly`
`Colour`		`blue, brown, brownish black, colourless, green`
`Streak`		`white`
`Density [g/cm³]`		`6.3`
`Crystal habit`		`orthorhombic, crystals radiating, acicular, forming globules`
`Cleavage, Fracture`		`[110] perfect, [101] good, fracture uneven`
`other characteristics and occurrences`		`secondary mineral formation in crevices of Al-rich rocks, pegmatites, also metamorphic formation`

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

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