mineral

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glimmer/ˈɡlɪmə(ɹ)/ /ˈɡlɪmɚ/

Mica

nests/nɛsts/

An aggregated mass of any ore or mineral, in an isolated state, within a rock.

dressings/ˈdrɛsɪŋz/

The process of extracting metals or other valuable components from minerals

tanzanite/ˈtænzəˌnaɪt/

A trichroic violet-blue variety of the mineral zoisite mined in Tanzania, used as a gemstone.

ruby[ˈɹuːbi]

A clear, deep, red variety of corundum, valued as a precious stone.

felspar/ˈfɛlˌspɑr/ /ˈfɛldˌspɑr/

Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.

hematite/ˈhɛməˌtaɪt/ /ˈhiːməˌtaɪt/

An iron ore, mainly peroxide of iron, Fe2O3.

minerals/ˈmɪnərəl/ /ˈmɪnərəlz/

Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.

zeolite/ˈziːəˌlaɪt/ /ˈziːoʊˌlaɪt/

Any of several minerals, aluminosilicates of sodium, potassium, calcium or magnesium, that have a porous structure; they are used in water softeners and in ion exchange chromatography.

prospecting/ˈprɑːspektɪŋ/ /ˈprɒspektɪŋ/

To determine which minerals or metals are present in a location.