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Macdonaldite with Pellyite

#42237

Macdonaldite with Pellyite

#42237
Availability
Sold
Size
4 x 2.5 x 2.5 cm - Miniature 
Formula
BaCa4Si16O36(OH)2·10H2O (RRUFF)
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States

An excellent specimen, which may be the better of the Macdonaldite specimens on this update. This specimen has good coverage with areas of Macdonaldite 3mm across and showing a good pearly luster. It is associated with Pellyite, the brown vein and also Sanbornite.

Type Locality

Macdonaldite

Formula
BaCa4Si16O36(OH)2·10H2
Crystal System
Orthorhombic 
Crystal Habit
Acicular 
Cleavage
Perfect, Good, Indistinct 
Luster
Vitreous - Silky 
Color
colorless, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

Special Info
Type Locality

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