Name:

siderite

A photo of the mineral siderite

Class:

Carbonates

Chemistry:

FeCO3 Iron Carbonate

Color(s):

yellowish to brownish, black, occasuibakky white

Hardness:

4 - 4.5

SpecGrav:

3.7 - 3.9

Fracture:

conchoidal

Cleavage:

complete

Crystal:

Hexagonal (commonly rhombohedral, prismatic and scalenohedral. Sometimes massive.)

Envronment:

hypothermal veins, and hydrothermal replacements.

Association:

barite, calcite, galena, sphalerite, chalcopyrite

Locals:

| Austria | Germany | Czechoslovakia | England | Spain | Conn., Colorado, Az., USA |

Misc:

The name is derived from the Greek word "sideros", meaning "iron". It is a minor ore of iron. It is soluble in warm hydrochloric acid. It often has a soft yellow fluorescence under UV light.

Photos
& Locals:

1.) Hulcani, Peru
2.) Hulcani, Peru
3.) Hulcani, Peru

4.) Hulcani, Peru
5.) Hulcani, Peru
6.) Hulcani, Peru

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