Hematite

Hematite_rough
Category
Hematite
Crystal Form
Trigonal
Moh's Scale Hardness
5.5–5.6
Specific Gravity
5.12–5.28
Refractive Index
2.94–3.22
Sources
Brazil, Canada (Lake Superior), Germany, Italy, Scandinaia, United Kingdom, United States (Arizona).

The name hematite is dervied from the Greek word for "blood". Hematite is an opaque stone and has a metallic grey to black appereance when polished. When hematite is cut into very thin plates, hematite is red and transparent.

Caring

Hematite is soluble in acid, hence avoid chemical solutions