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Macdonaldite

#PD42276
SOLD
Macdonaldite from Big Creek, Fresno Co., California, United States - PD42276
Macdonaldite from Big Creek, Fresno Co., California, United States - PD42276

Macdonaldite

#PD42276
Availability
Sold
Size
3 x 1.5 x 1 cm - Thumbnail 
Formula
BaCa4Si16O36(OH)2·10H2O (RRUFF)
Locality
Big Creek, Fresno Co., California, United States

Slender, acicular colorless crystals to around 1mm. Very rare. Minor Gillespite (red) in matrix on backside.

Type Locality

Macdonaldite

Formula
BaCa4Si16O36(OH)2·10H2O 
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.

Collection
Don Phillips Collection
Special Info
Type Locality
Mineralpedia
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