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Todorokite with Rhodochrosite

#BAC61356
SOLD
Todorokite from N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa - BAC61356
Todorokite from N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa - BAC61356

Todorokite with Rhodochrosite

#BAC61356
Availability
Sold
Size
4 x 2 x 1.5 cm - Miniature 
Formula
(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O (RRUFF)
Locality
N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa

Crazy-looking fibrous Todorokite attached to Rhodochrosite.

Todorokite

Formula
(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O 
Crystal System
Monoclinic 
Crystal Habit
Nodular, Reniform, Aggregates 
Cleavage
Perfect, Perfect, None 
Luster
Metallic - Dull 
Color
brownish black, gray, grayish black, dark brown, black 
Streak
dark brown 
Class
Monoclinic - Prismatic 
Hardness
1.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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On Dakota Matrix
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Mindat
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