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Earth lab datasite

Prehnite
Silicate reniform mass
hydrous calcium iron aluminosilicate
Ca2 (Al Fe3+) [Al Si3 O10] (OH)2
Scale bar = 1 centimetre
cleavage: Distinct
crystal system: Orthorhombic
hardness 6.0 - 6.5
relative density 2.9 - 3.0
Kilpatrick, Dumbartonshire
24 D 8