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Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Contributors in Mineral mining

Mineral mining

red zinc oxide

Mining; General mining

A red to yellow brittle mineral; (Zn,Mn)O. It is an ore of zinc, as in New Jersey where it is associated with franklinite and willemite.

ruby zinc

Mining; General mining

A red to yellow brittle mineral; (Zn,Mn)O. It is an ore of zinc, as in New Jersey where it is associated with franklinite and willemite.

withamite

Mining; General mining

A red to yellow variety of epidote with a little manganese; in andesites at Glencoe, Scotland. Compare: piemontite

bixbite

Mining; General mining

A red variety of beryl; in the Wah Wah and Topaz Mountains of Utah.

schiller

Mining; General mining

A pseudochromatic optical effect resulting in flashes of colored light from certain minerals, such as fire opal and labradorite, as they are turned in white light. Periodic spacings of phases with ...

aglaite

Mining; General mining

A pseudomorph of spodumene in which the spodumene has been replaced by muscovite either as pinite or as visible plates.

pihlite and cymatolite in the belief that the material was a new mineral

Mining; General mining

A pseudomorph of spodumene in which the spodumene has been replaced by muscovite either as pinite or as visible plates.

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