Quartz vs. Amethyst
Quartznoun
(mineral) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
Amethystnoun
A transparent purple variety of quartz, used as a gemstone.
Quartznoun
A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.
Amethystnoun
(uncountable) A purple colour.
Quartznoun
colorless glass made of almost pure silica
Amethystnoun
(tincture) The purple tincture when emblazoning the arms of the English nobility.
Quartznoun
a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
Amethystadjective
Having a colour similar to that of the gemstone
Quartz
Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
Amethyst
A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone.
Amethyst
A purple color in a nobleman's escutcheon, or coat of arms.
Amethystnoun
a transparent purple variety of quartz; used as a gemstone
Amethystadjective
of a moderate purple color
Amethystnoun
a precious stone consisting of a violet or purple variety of quartz
‘amethyst earrings’; ‘a delicate necklace of amethysts and pearls’;
Amethystnoun
a violet or purple colour
‘an amethyst dress’;
Amethyst
Amethyst is a violet variety of quartz. The name comes from the Koine Greek αμέθυστος amethystos from α- a-, and μεθύσκω (Ancient Greek) methysko / μεθώ metho (Modern Greek), , a reference to the belief that the stone protected its owner from drunkenness.
‘not’; ‘intoxicate’;
