Research Results For 'Adamantine'

ADAMANTINE

Adamantine refers to a brilliant lustre like that of a diamond (adamant). It results from a mineral having a high index of refraction.
Research Adamantine

ADAMANTINE SPAR

Adamantine spar is an old name for the mineral corundum or of a brownish variety of it.
Research Adamantine Spar

CASSITERITE

Cassiterite is the principal ore of tin. It is widely distributed in small amounts but commercially available in only a few localities. It is frequently associated with wolframite. Native tin dioxide, it is found occurring in tetragonal crystals of reddish brown colour, and brilliant adamantine lustre; also massive, sometimes in compact forms with concentric fibrous structure resembling wood ('wood tin')It is also found as rolled pebbles in placer deposits ('stream tin') but is usually found in veins associated with quartz, in or near granitic rocks. It has the formulae SnO2 and a relative hardness of 7.
Research Cassiterite

LUSTRE

Lustre refers to the general look of a mineral in reflected light. Minerals are divided into two types: metallic and non-metallic. There's no clear dividing line between the two. In general, non- metallic minerals will transmit light through a thin edge, are light coloured, and will have a light or colourless streak. Non- metallic minerals are further described as: vitreous, resinous, pearly, greasy, silky, adamantine.
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