Sentit | A gemstone having the property of transmitting light without serious diffusion. |
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Específic | aiguamarina | A transparent variety of beryl that is blue green in color |
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ametista | A transparent purple variety of quartz |
aventurina, venturina | A translucent quartz spangled with bits of mica or other minerals |
calcedònia | A milky or greyish translucent to transparent quartz |
citrina | semiprecious yellow quartz resembling topaz |
crisolita, crisòlit, olivina | A brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone |
crisoprasa, crisoprasi, crisopras | A green variety of chalcedony valued as a gemstone |
diamant | Very hard native crystalline carbon valued as a gem |
esmaragda, maragda | A green transparent form of beryl |
granat | Any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive |
kunzita | A pinkish lilac crystal form of the mineral spodumene that is used as a gemstone |
morganita | A kind of pink beryl used as a gemstone |
peridot | A pale green variety of chrysolite |
robí | A transparent deep red variety of corundum |
safir | A precious transparent stone of rich blue corundum valued as a gemstone |
topazi | A mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone |
turmalina | A mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium |
General | gemma, pedra preciosa | A crystalline rock that can be cut and polished for jewelry |
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Anglès | transparent gem |
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Espanyol | gema transparente |
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