nontronite

Name:

nontronite

A photo of the mineral nontronite

Class:

Silicates

Chemistry:

NaFe2(Si,Al)4O10(OH)2 € H2O

Color(s):

pale green, olive green, opaque streak:white

Hardness:

1.5

SpecGrav:

2.30

Fracture:

earthy-dull

Cleavage:

perfect

Crystal:

monoclinic fine grained clay like

Envronment:

Association:

Locals:

| Ausralia | Brazil | England | Az., Ca., Me., W.V., USA |

Misc:

local name based on Nontrone, France

Photos
& Locals:

1.) wolf Creek Pass, Mineral Co., Colorado
2.) wolf Creek Pass, Mineral Co., Colorado

3.) wolf Creek Pass, Mineral Co., Colorado

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Name:	nontronite
Class:	Silicates
Chemistry:	NaFe2(Si,Al)4O10(OH)2 € H2O
Color(s):	pale green, olive green, opaque streak:white
Hardness:	1.5	SpecGrav:	2.30
Fracture:	earthy-dull	Cleavage:	perfect
Crystal:	monoclinic fine grained clay like
Envronment:
Association:
Locals:	\| Ausralia \| Brazil \| England \| Az., Ca., Me., W.V., USA \|
Misc:	local name based on Nontrone, France

	Photos & Locals:
		1.) wolf Creek Pass, Mineral Co., Colorado 2.) wolf Creek Pass, Mineral Co., Colorado		3.) wolf Creek Pass, Mineral Co., Colorado

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