Overite, Wardite, Millisite, Variscite, Fluorapatite, Crandallite

Specimen ID: TC7-Q94

Mineral(s)
Overite : CaMgAl(PO4)2(OH)·4H2O
Wardite : NaAl3(PO4)2(OH)4·2H2O
Millisite : (Na,K)CaAl6(PO4)4(OH)9·3H2O
Variscite : AlPO4·2H2O
Fluorapatite : Ca5(PO4)3F
Crandallite : CaAl3(PO4)(PO3OH)(OH)6
Locality
Mindat locality:
Dimensions
7cm x 5cm x 4cm
Previous data
Mineral(s)
Acquisition date:
Jan 2001
Name withheld

Events

Photo added to mindat.org

Clear, pale yellow prismatic crystals of overite deep in a crandallite vug. Difficult to photograph due to the location in the vug. S336-24 N568N SEM/EDS ID by Excalibur Mineral to confirm presence of major elements.
Jeff Weissman - 11th December 2007

Photo added to mindat.org

A parallel grouping of very pale-greenish yellow overite crystals with white 'fluffy' pseudowavellite, photographed deep inside a vug of crandallite. S419-768 N568N A stack of 153 images spaced 5 microns apart. SEM/EDS ID by Excalibur Mineral to confirm presence of major elements.
Jeff Weissman - 25th May 2021

Photo added to mindat.org

Two areas of overite crystals can be seen near the arrow on the bottom edge, one deep inside the cavity and the other on top of variscite, associated with white 'fluffy' pseudowavellite, green variscite, blue-grey wardite, and tan to yellow crandallite. S419-805 N568N A stack of 26 images spaced 0.5 mm apart.
Jeff Weissman - 31st May 2021

Photo added to mindat.org

EDS ID by Excalibur Mineral to confirm presence of major elements for overite S419-806 N568N
Jeff Weissman - 31st May 2021

Photo added to mindat.org

A parallel grouping of very pale-greenish yellow overite crystals with white 'fluffy' pseudowavellite, photographed deep inside a vug of crandallite. S419-808 N568N A stack of 27 images spaced 100 microns apart.
Jeff Weissman - 31st May 2021

Photo added to mindat.org

A parallel grouping of very pale-greenish yellow overite crystals on lime-green variscite with white 'fluffy' pseudowavellite. S419-807 N568N A stack of 22 images spaced 100 microns apart.
Jeff Weissman - 31st May 2021
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