crandallite

crandallite

[′krand·əl‚īt]
(mineralogy)
CaAl3(PO4)2(OH)5·H2O A white to light-grayish mineral consisting of a hydrous phosphate of calcium and aluminum occurring in fine, fibrous masses.
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73) may be suggestive of likely hosting of crandallite mineral group for Sr.
Their interiors, when broken open, revealed porous, earthy masses of whitish material we guessed to be crandallite (known at that time as pseudowavellite).
Palmer B, Gilkes RJ (1982) Reversion of calcined calcium aluminium phosphate fertilizers due to rehydroxylation of crandallite.
The mineral (accompanied by crandallite, its alteration product) forms free-standing, doubly terminated crystals to 1 cm, in aggregates associated with manganese and iron carbonates (siderite, ankerite, rhodochrosite) or quartz.
Bolland MDA, Allen DG (1987) Comparison of three soil tests for phosphate on lateritic soil fertilised with superphosphate, crandallite rock phosphates and apatite rock phosphates.
Crandallite is common in a mixture with variscite as part of agate-like phosphate concretions.
The minor amounts of crandallite and millisite in Christmas Island A-ore became amorphous.
Relationship to other species: It is a member of the crandallite group and the [Fe.
Llallagua phosphates, including childrenite, crandallite, fluorapatite, metavauxite, monazite, paravauxite, sigloite, vauxite, vivianite and wavellite, were actively collected by Bandy.
Other minerals present in attractive, smaller crystals or coatings include cacoxenite, crandallite, dufrenite, gypsum, jarosite, native selenium and strengite/variscite.
Relationship to other species: A member of the crandallite group.
Some of the minerals occurring at the Mex-Tex mine (coronadite, crandallite, creedite, libethenite, plumbogummite, tsumebite and turquoise) have not been found at the Blanchard mine or elsewhere in the district.