Collinsite is a member of the fairfieldite group . and collinsite is the magnesium analogue of messelite.
2.
Collinsite is a member of the fairfieldite group . and collinsite is the magnesium analogue of messelite.
3.
Wolfe concluded that the material was anapaite partially altered to collinsite and he discredited messelite as a valid mineral species.
4.
It is associated with rockbridgeite, ferrisicklerite, leucophosphite, jahnsite, montgomeryite, collinsite and hureaulite in the type locality.
5.
Collinsite was named in honor of William Henry Collins ( 1878 1937 ) who, at the time, was director of the Geological Survey of Canada.
6.
With analysis performed by F . A . Gonyer, Wolfe identified the formula of collinsite was Ca 2 ( Mg, Fe 2 + ) ( PO 4 ) 2 ?H 2 O, containing less water than Poitevin indicated.
7.
With the analysis performed by E . A . Thompson, Poitevin identified the formula as Ca 2 ( Mg, Fe 2 + ) ( PO 4 ) 2 ?�H 2 O . Since no crystals of collinsite were found, the only crystallographic information determined was the angle between cleavages.
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