ENGLISH DICTIONARY: JEWELRY & GIFTWARE - GOLD - SILVER & PEWTERWARE
GEMS & GEMOLOGY - CLOCKS - WATCHES & HOROLOGY - AMBER - CORAL - JADE - IVORY - PEARLS - 20768 ENGLISH TERMS
tear-drop pearl
teardrop (cut)
teardrop (earring)
teardrop pearl
teardrop shape
tears of the Helaides
teaset
teaspoon
tecali
technical reference number
Tecla emerald
Tecla pearl
tectite
teeth
teeth on a jeweler's saw blade
teething stick
Tegiment
tektite
teleidoscope
telemeter
telemeter scale
telescopic candelabrum
telescopic candlestick
television stone
tell-tale clock
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GEMS & GEMOLOGY: AMBER, CORAL, JADE, IVORY, PEARLS
ENGLISH
tectite
OR: (more often) tektite

Generic name for natural glasses such as moldavite, australite, javanite, indochinite, philippinite, billitonite, javaite, thailandite, queenstownite, and bediasite, all of which take their name from their place of their origin. Moldavite is the only variety of interest to gemology.

Amorphous
RI: 1.46-1.54
H: 5.5-6.5
SG: 2.2-2.9

NOTE: "A natural glass formed from meteorite impact melting the local rock. Depending on the nature of the latter, the composition of tektites is variable. Hence, many varietal names are given to tektites from different localities." MINDAT.ORG.

ETYM: Du Greek 'têktos' meaning molten.

QUASI-SYN: Darwin glass
                     indochinite
                     obsidianite
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The MULTILINGUAL VERSION of this Dictionary contains 7305 entries that do not appear in this ENGLISH ONLY version.