Waterfall Game - Gemstones :: WordStash Vocabulary Flashcards

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Gemstones (view)

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Hard transparent minerals that are often used as gemstones and abrasives.

(mineralogy) A mineral of pegmatite deposits, often used as a gemstone.

A form of chrysoberyl that displays a colour change dependent upon light, along with strong pleochroism.

The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.

A semipellucid, uncrystallized variety of quartz, presenting various tints in the same specimen. Its colors are delicately arranged in stripes or bands, or blended in clouds.

A bright green mineral, a basic copper carbonate, Cu2CO3(OH)2; one of the principal ores of copper.

A deep blue stone, used in making jewelry.

The bluish-green colour of the sea.

A transparent olive-green form of olivine, used as a gem.

A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.

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