dolomite

Name:

dolomite

A photo of the mineral dolomite

Class:

Carbonates

Chemistry:

CaMg(CO3)2 Calcium Magnesium Carbonate

Color(s):

Colorless, white, pink, gray, greenish, brown

Hardness:

3.5 - 4.0

SpecGrav:

2.85

Fracture:

subconchoidal

Cleavage:

1 perfect

Crystal:

Hexagonal - often twinned, simple rhombohedrons (Sometimes with curved faces), massive, aggregates.

Envronment:

sedimentary rocks, metamorphic rocks, in hypothermal veins, and hydrothermal replacements

Association:

calcite, siderite, rhodochrosite, galena, gypsum

Locals:

CA, MI, NV, USA / Italy / Switzerland

Misc:

Named for the French geologist, D. de Dolomieu. A series member with ankerite and with kutnohorite.

Photos
& Locals:

1.) Vekol Mine, Pinal Co., Az.
2.) Vekol Mine, Pinal Co., Az.
3.) Vekol Mine, Pinal Co., Az.
4.) Vekol Mine, Pinal Co., Az.
5.) Brumado, Bahia, Brazil
6.) Brumado, Bahia, Brazil

7.) Brumado, Bahia, Brazil
8.) Brumado, Bahia, Brazil
9.) Carson Hill, Calaveras Co., California
10.) Carson Hill, Calaveras Co., California
11.) Carson Hill, Calaveras Co., California

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Name:	dolomite
Class:	Carbonates
Chemistry:	CaMg(CO3)2 Calcium Magnesium Carbonate
Color(s):	Colorless, white, pink, gray, greenish, brown
Hardness:	3.5 - 4.0	SpecGrav:	2.85
Fracture:	subconchoidal	Cleavage:	1 perfect
Crystal:	Hexagonal - often twinned, simple rhombohedrons (Sometimes with curved faces), massive, aggregates.
Envronment:	sedimentary rocks, metamorphic rocks, in hypothermal veins, and hydrothermal replacements
Association:	calcite, siderite, rhodochrosite, galena, gypsum
Locals:	CA, MI, NV, USA / Italy / Switzerland
Misc:	Named for the French geologist, D. de Dolomieu. A series member with ankerite and with kutnohorite.

	Photos & Locals:
		1.) Vekol Mine, Pinal Co., Az. 2.) Vekol Mine, Pinal Co., Az. 3.) Vekol Mine, Pinal Co., Az. 4.) Vekol Mine, Pinal Co., Az. 5.) Brumado, Bahia, Brazil 6.) Brumado, Bahia, Brazil		7.) Brumado, Bahia, Brazil 8.) Brumado, Bahia, Brazil 9.) Carson Hill, Calaveras Co., California 10.) Carson Hill, Calaveras Co., California 11.) Carson Hill, Calaveras Co., California

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