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Bayleyite with Swartzite

#PD36543

Bayleyite with Swartzite

#PD36543
Availability
Sold
Size
7 x 4.5 x 1 cm - Sm Cabinet 
Formula
Mg2(UO2)(CO3)3(H2O)12·6H2O (RRUFF)
Locality
Rifle mine, Rifle, Garfield Co., Colorado, United States
Tagged
carbonate

A delicate specimen loaded with sulfur yellow Bayleite and faint yellow Swartzite. The Swartzite is probably dehydrated and fluoresces a faint yellow while the Bayleyite exhibits a strong yellow FL.  Ex. Charles Lewis with tag (see prov. tab.). Both are carbonates.

Bayleyite

Formula
Mg2(UO2)(CO3)3(H2O)12·6H2
Crystal System
Monoclinic 
Cleavage
None, None, None 
Luster
Vitreous - Dull 
Color
yellow, pale yellow, yellowish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
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