Cadwaladerite

Infobox mineral
name = Cadwaladerite
category = Halides
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formula = Al(OH)C₂|4H₂O
molweight = 168.51 gm
color = yellow
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fracture = Conchoidal
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luster = Vitreous
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density = 1.66 g/cm3
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diaphaneity = transparent
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references = [ [http://www.webmineral.com/data/Cadwaladerite.shtml Cadwaladerite Mineral Data ] ] [ [http://www.mindat.org/min-845.html Cadwaladerite: Cadwaladerite mineral information and data] ]

Cadwaladerite is a mineral discovered in mine dumps in Chile in 1941. It is named after Charles Meigs Biddle Cadwalader, president of the Academy of Natural Sciences.

References