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Mining
Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.
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Mining > Minerals
hausmannite
Geology; Minerals
Hausmannite is a complex oxide of manganese containing both di- and tri-valent manganese. The formula can be represented as Mn 2+ Mn 3+ 2 O 4 . It belongs to the spinel group and ...
khatyrkite
Geology; Minerals
Khatyrkite is a rare mineral which is mostly composed of copper and aluminium, but might contain up to about 15% of zinc or iron; its chemical structure is described by an ...
Sub-categories
- Coal mining (40)
- Diamond mining (39)
- General mining (41978)
- Gold mining (103)
- Mineral mining (36958)
- Minerals (696)
- Mining tools (94)
- Space mining (40)