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0 item @ $0.00  

Mackayite

#42080

Mackayite

#42080
Availability
Sold
Size
7 x 3.5 x 3.5 cm - Sm Cabinet 
Formula
Fe3+Te4+2O5(OH) (RRUFF)
Locality
Slick Rock, San Miguel Co., Colorado, United States
Tagged
tellurium

Hundreds of excellent green, lustrous pseudododecahedral crystals to about 0.5mm each.

Mackayite

Formula
Fe3+Te4+2O5(OH) 
Crystal System
Tetragonal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brownish green, yellow green, olive green 
Streak
light green 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
4.5 

Data courtesy of Webmineral.

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