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Mineral oil is any of various colorless, odorless, light mixtures of higher alkanes from a mineral source, particularly a distillate of petroleum, as distinct...

In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific...

is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the Latin lux, meaning "light", and generally...

Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. Depending on the...

a cat. When cut to produce a cabochon, the mineral forms a light-green specimen with a silky band of light extending across the surface of the stone....

and transparent, both in visible and ultraviolet light, but impurities usually make it a colorful mineral and the stone has ornamental and lapidary uses...

Dolomite (/ˈdɒl.əˌmaɪt, ˈdoʊ.lə-/) is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. The term is also used...

mineral (natural) form of sodium chloride (NaCl). Halite forms isometric crystals. The mineral is typically colorless or white, but may also be light...

optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the processes of mineral origin and formation, classification...

Mineral springs are naturally occurring springs that produce hard water, water that contains dissolved minerals. Salts, sulfur compounds, and gases are...

teams now use specifically prepared liquid dyes and only gas oil, light mineral oil or a food grade white oil without harmful chlorinated solvents....

describes the phenomenon of light-induced colour changes in certain minerals. The effect was named after the alexandrite mineral, but it is also used to refer...

Ore is natural rock or sediment that contains one or more valuable minerals concentrated above background levels, typically containing metals, that can...

defects in the layered structure of the mineral. Alexander Fersman notes in his memoirs that the “mysterious light” emanating from the depths of the stone...

lake, fragrance, isopropyl lanolate, isopropyl myristate, lanolin, light mineral oil, methylparaben, octyldodecanol, oleyl alcohol, paraffin, phenyl...

This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical...

a mineral consisting of strontium sulfate (SrSO4). The mineral is named for its occasional delicate blue color. Celestine and the carbonate mineral strontianite...

by polarized light microscopy, a traditional technique establishing fundamental occurrences or petrologic relationships. Clay minerals are common weathering...

heliotrope derives from ancient beliefs about the manner in which the mineral reflects light. Such notions are described, for example, by Pliny the Elder (Nat...

Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra...