Useful english dictionary. 2012.
gem — I (New American Roget s College Thesaurus) n. jewel, stone; prize; work of art. See ornament, goodness. II (Roget s IV) n. 1. [A Jewel] Syn. precious stone, gemstone, bauble, ornament; see Jewel 1 . Types of gems include: diamond, emerald, ruby,… … English dictionary for students
calcedony — noun a milky or greyish translucent to transparent quartz • Syn: ↑chalcedony • Hypernyms: ↑quartz, ↑transparent gem • Hyponyms: ↑agate, ↑bloodstone, ↑heliotro … Useful english dictionary
hiddenite — noun a green transparent form of the mineral spodumene used as a gemstone • Hypernyms: ↑spodumene, ↑transparent gem … Useful english dictionary
Thortveitite — is a mineral consisting of scandium yttrium silicate (Sc,Y)2Si2O7. It is the primary source of scandium. Occurrence is in granitic pegmatites. It was named after Olaus Thortveit, Norwegian engineer. It is greyish green, black or grey in color.A… … Wikipedia
tourmaline — tour•ma•line [[t]ˈtʊər mə lɪn, ˌlin[/t]] n. mir a complex silicate mineral, essentially sodium aluminum borosilicate, occurring in variously colored transparent gem varieties depending on the presence of different metals • Etymology: 1750–60;… … From formal English to slang
kunzite — noun a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone • Hypernyms: ↑spodumene, ↑transparent gem … Useful english dictionary
morganite — noun a kind of pink beryl used as a gemstone • Hypernyms: ↑transparent gem, ↑beryl … Useful english dictionary
sunstone — noun a translucent quartz spangled with bits of mica or other minerals • Syn: ↑aventurine • Hypernyms: ↑quartz, ↑transparent gem • Hyponyms: ↑goldstone … Useful english dictionary
water sapphire — noun a deep blue cordierite often used as a gemstone • Hypernyms: ↑cordierite, ↑transparent gem … Useful english dictionary
imperial jade — transparent jadeite of gem quality; a true jade. Also called gem jade. * * * … Universalium
