Name |
|
Siderite
(Iron Spar, Spathose Iron) |
Chemistry |
|
FeCO3 |
Hardness |
|
3.5 |
Lustre |
|
vitreous |
Colour |
|
yellowish brown, brown, grey, yellowish grey |
Streak |
|
white |
Density [g/cm3] |
|
3.7 - 3.9 |
Crystal habit |
|
trigonal, crystals often
curved |
Cleavage, Fracture |
|
[1011] perfect, fracture jagged |
other characteristics
and occurrences |
|
hydrothermal veins of intermediate
to low temperature, also sedimentary formations |
|
|
|