Word Meanings - TOPAZ - Book Publishers vocabulary database

A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem. (more info) kind

Additional info about word: TOPAZ

A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem. (more info) kind of precious stone, Gr. to`pazos, topa`zion; possibly akin to Skr. tap to glow . According to some, the name is from Topazos, a small island in the Red Sea, where the Romans obtained a stone which they called by this name, but which is the chrysolite of

Related words: (words related to TOPAZ)

• ALUMINATE
  A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.
• OPAQUENESS
  The state or quality of being impervious to light; opacity. Dr. H. More.
• MASSIVELY
  In a heavy mass.
• SOMETIMES
  1. Formerly; sometime. That fair and warlike form In which the majesty of buried Denmark Did sometimes march. Shak. 2. At times; at intervals; now and then;occasionally. It is good that we sometimes be contradicted. Jer. Taylor. Sometimes . . .
• MINERALIZATION
  The conversion of a cell wall into a material of a stony nature. (more info) 1. The process of mineralizing, or forming a mineral by combination of a metal with another element; also, the process of converting into a mineral, as a bone or a plant.
• OPAQUE
  1. Impervious to the rays of light; not transparent; as, an opaque substance. 2. Obscure; not clear; unintelligible.
• PELLUCIDITY; PELLUCIDNESS
  The quality or state of being pellucid; transparency; translucency; clearness; as, the pellucidity of the air. Locke.
• PELLUCIDLY
  In a pellucid manner.
• ALUMINA
  One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3. Note: It is the oxide of the metal aluminium, the base of aluminous salts, a constituent of a large part of the earthy siliceous minerals, as the feldspars, micas,
• MINERALOGICALLY
  According to the principles of, or with reference to, mineralogy.
• FLUOSILICATE
  A double fluoride of silicon and some other element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride.
• MASSIVENESS
  The state or quality of being massive; massiness.
• GENERALLY
  1. In general; commonly; extensively, though not universally; most frequently. 2. In a general way, or in general relation; in the main; upon the whole; comprehensively. Generally speaking, they live very quietly. Addison. 3. Collectively; as a
• BROWNISH
  Somewhat brown.
• OCCURSE
  See BENTLEY
• MINERALOGY
  1. The science which treats of minerals, and teaches how to describe, distinguish, and classify them. 2. A treatise or book on this science.
• ALUMINATED
  Combined with alumina.
• MINERALIST
  One versed in minerals; mineralogist.
• MASSIVE
  In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive. Massive rock , a compact crystalline rock not distinctly schistone, as granite; also, with some authors, an eruptive rock. (more
• OCCURRENCE
  1. A coming or happening; as, the occurence of a railway collision. Voyages detain the mind by the perpetual occurrence and expectation of something new. I. Watts. 2. Any incident or event; esp., one which happens without being designed
• AETHIOPS MINERAL
  See MINERAL
• SEMIOPAQUE
  Half opaque; only half transparent.
• SUBPELLUCID
  Somewhat pellucid; nearly pellucid.
• ORTHORHOMBIC
  Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.