- subvitreous
- sub·vitreous
English syllables. 2014.
subvitreous
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subvitreous — adj.; subvitreously, adv.; subvitreousness, n. * * * … Universalium
subvitreous — adjective Having an almost vitreous lustre … Wiktionary
subvitreous — “+ adjective Etymology: sub + vitreous : not quite vitreous * * * adj.; subvitreously, adv.; subvitreousness, n. * * * subvitˈreous (↑vitreous) adj(4) • • • Main Entry: ↑sub … Useful english dictionary
Turquoise — For other uses, see Turquoise (disambiguation). Turquoise Turquoise (tumble finished) one inch (25 mm) long. This pebble is greenish and therefore low grade General … Wikipedia
Opal — For other uses, see Opal (disambiguation). Opal An opal bracelet. The stone size is 18 by 15 mm (0.7 by 0.6 in) General Category … Wikipedia
Leucite — is a rock forming mineral composed of potassium and aluminium tectosilicate K [AlSi2O6] . Crystals have the form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore… … Wikipedia
Jadeite — This article is about the mineral. For other uses, see Jadeite (disambiguation). Jadeite Jadeite General Category … Wikipedia
dolomite — dolomitic /dol euh mit ik/, adj. /doh leuh muyt , dol euh /, n. 1. a very common mineral, calcium magnesium carbonate, CaMg(CO3)2, occurring in crystals and in masses. 2. a rock consisting essentially or largely of this mineral. [1785 95; < F,… … Universalium
feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… … Universalium
Properties of selected silica minerals — ▪ Table Properties of selected silica minerals name colour lustre Mohs hardness specific gravity coesite colourless vitreous near 8 2.9–3.0 cristobalite (low temperature form) white or milky vitreous 6½ 2.2–2.3 lussatite (fibrous low… … Universalium
