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TRANSPARENT GEM
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I. (noun)
Sense 1
Meaning:
A gemstone having the property of transmitting light without serious diffusion
Classified under:
Hypernyms ("transparent gem" is a kind of...):
gem; gemstone; stone (a crystalline rock that can be cut and polished for jewelry)
Hyponyms (each of the following is a kind of "transparent gem"):
tourmaline (a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones)
topaz (a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone)
aventurine; sunstone (a translucent quartz spangled with bits of mica or other minerals)
hiddenite (a green transparent form of the mineral spodumene used as a gemstone)
sapphire (a precious transparent stone of rich blue corundum valued as a gemstone)
water sapphire (a deep blue cordierite often used as a gemstone)
ruby (a transparent deep red variety of corundum; used as a gemstone and in lasers)
peridot (a pale green variety of chrysolite; used as a gemstone)
morganite (a kind of pink beryl used as a gemstone)
moonstone (a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar)
kunzite (a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone)
emerald (a green transparent form of beryl; highly valued as a gemstone)
adamant; diamond (very hard native crystalline carbon valued as a gem)
citrine (semiprecious yellow quartz resembling topaz)
chrysoprase (a green variety of chalcedony valued as a gemstone)
chrysolite (a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone)
calcedony; chalcedony (a milky or greyish translucent to transparent quartz)
aquamarine (a transparent variety of beryl that is blue green in color)
amethyst (a transparent purple variety of quartz; used as a gemstone)
garnet (any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive)
