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Mineralpedia Details for Yoderite

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Yoderite

Yoderite

Formula
(MgAl3)(MgAl)Al2O2(SiO4)4(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Anhedral Grains, Lath 
Cleavage
Parting, Parting, None 
Luster
Vitreous (Glassy) 
Color
purple red, deep blue, emerald green, yellow 
Streak
white 
Class
Monoclinic - Sphenoidal 
Hardness
WebMineral
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Mindat
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Yoderite from Mautia Hill, Central prov., Dodoma, Tanzania

Yoderite
            from Mautia Hill, Central prov., Dodoma, Tanzania
Special Info
Type Locality

Dark blue crystal grains and prisms to 4mm across and 1.5cm long.

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