Definition of Rock crystal. Meaning of Rock crystal. Synonyms of Rock crystal

Here you will find one or more explanations in English for the word Rock crystal. Also in the bottom left of the page several parts of wikipedia pages related to the word Rock crystal and, of course, Rock crystal synonyms and on the right images related to the word Rock crystal.

Definition of Rock crystal

Rock crystal
Crystal Crys"tal (kr?s"tal), n. [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. ????, fr. ???? icy cold, frost; cf. AS. crystalla, fr. L. crystallum; prob. akin to E. crust. See Crust, Raw.] 1. (Chem. & Min.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization. 2. The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian. 3. A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass. 4. The glass over the dial of a watch case. 5. Anything resembling crystal, as clear water, etc. The blue crystal of the seas. --Byron. Blood crystal. See under Blood. Compound crystal. See under Compound. Iceland crystal, a transparent variety of calcite, or crystallized calcium carbonate, brought from Iceland, and used in certain optical instruments, as the polariscope. Rock crystal, or Mountain crystal, any transparent crystal of quartz, particularly of limpid or colorless quartz.
rock crystal
Crystal Crys"tal (kr?s"tal), n. [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. ????, fr. ???? icy cold, frost; cf. AS. crystalla, fr. L. crystallum; prob. akin to E. crust. See Crust, Raw.] 1. (Chem. & Min.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization. 2. The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian. 3. A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass. 4. The glass over the dial of a watch case. 5. Anything resembling crystal, as clear water, etc. The blue crystal of the seas. --Byron. Blood crystal. See under Blood. Compound crystal. See under Compound. Iceland crystal, a transparent variety of calcite, or crystallized calcium carbonate, brought from Iceland, and used in certain optical instruments, as the polariscope. Rock crystal, or Mountain crystal, any transparent crystal of quartz, particularly of limpid or colorless quartz.

Meaning of Rock crystal from wikipedia

- Rock Crystal may refer to: a variety of quartz Rock Crystal (Fabergé egg), an 1896 an Fabergé egg made for the Russian Imperial family Rock Crystal (film)...
- solidification. The word crystal derives from the Ancient Gr**** word κρύσταλλος (krustallos), meaning both "ice" and "rock crystal", from κρύος (kruos),...
- rock crystal or clear quartz, is colorless and transparent or translucent and has often been used for hardstone carvings, such as the Lothair Crystal...
- A rock crystal vase is a vase made of rock crystal, a type of hardstone carving. Such vases were rare, expensive, and decorated with gold and jewels, used...
- Rock Crystal (German: Bergkristall) is a 2004 German mountain film directed by Joseph Vilsmaier, based on the Christmas novella Rock Crystal by Adalbert...
- Rock crystal amulets in the Islamic world date back to the 9th century CE and were used to offer well-being and religious protection. A range of forms...
- made from rock crystal but since the 19th century from crystal gl**** or polymers such as acrylic. Originally, rhinestones were rock crystals gathered from...
- Crystal skulls are human skull hardstone carvings made of clear, milky white or other types of quartz (also called "rock crystal"), claimed to be pre-Columbian...
- Rock Crystal (German: Bergkristall; 1845) is a novella by Austrian writer Adalbert Stifter, about two children who become lost in a snowstorm in the Alps...
- simply crystal because of lead's re****tion as a toxic substance. It is retained from the Venetian word cristallo to describe the rock crystal (quartz)...