Fluoride is the ionic form of fluorine. Fluorides are organic and inorganic compounds containing the element fluorine. As a halogen, fluorine forms a monovalent ion (âˆ'1 charge). Fluoride forms a binary compound with another element or radical.
Fluoride: A binary compound of fluorine with another element or radical.
CaF2 (fluoride)
Due to its softness and total opacity, Tiffany stone opalized fluorite is always cut and shaped into a cabochon. Due to the toxicity of any trace amounts of beryllium, a respirator must be used when cutting Tiffany Stone.
Fluorite (calcium fluoride), historically called Fluorspar, has been used in carvings and decorative objects for hundreds of years, but the availability of faceted pieces is a relatively new development.
sodium aluminum fluoride
Crystallography: monoclinic
Colors: white , colorless
Luster: vitreous or pearly
Hardness: 2.5
Specific gravity: 2.95 - 3
Comments: used in pottery glazes and glass Cubic Zirconia...man made
Colors: all ...
It could be argued that since experiments were conducted with several flux agents like potassium hydroxide and barium fluoride,the final product, although described as rhombohedral ruby crystal, was actually red, violet, and bluish in color.
Non-fluoride fluxes are recommended. You heat the metal, not the solder. Generalized heating works pretty well. You heat the larger part, not the smaller; you allow the heat to go into the smaller part from the larger part.
Topaz (aluminum silicate fluoride hydroxide) is a very hard gemstone that ranges in color from brown, to yellow to blue to pink. Pink topaz is usually created by irradiating common yellow topaz.
London blue topaz (Aluminum silicate fluoride hydroxide) is the darkest blue variety of topaz. Most blue topaz is silver topaz that has been irradiated and heat treated, but some stones are blue naturally. London blue topaz is found in Brazil, U.S.A.
The following year he discovered that solutions of potassium fluoride in hydrogen fluoride at certain strengths remained liquid and conducted electrolytically at sub-zero temperatures: a year later he successfully electrolysed these solutions to ...
Fluorite is the natural crystalline form of calcium fluoride and often forms beautiful cube-shaped crystals. It is a transparent to translucent mineral. When pure, fluorite is colorless; however, it usually contains impurities that color it.
Pink Topaz (Aluminum silicate fluoride hydroxide) is a very hard pink gemstone. Pink topaz is usually created by irradiating common yellow topaz. Topaz has a hardness of 8 and a specific gravity of 3.5-3.6.
PLANE OF SYMMETRY ...
fluorite Number four on the Mohs hardness scale. It consists of calcium fluoride with perfect octahedral cleavage.
Fluorite: A soft mineral composed of calcium fluoride. It is found in many colors.
Fluorite is associated with fluoride, the tooth-decay preventative, and may be used to strengthen the teeth and bones. Healing PROPERTIES: Keeps family safe. Considered the "Genius Stone" Brings good luck, protects from misfortune.
 See also: Mineral, Minerals, Water, Color, Stone
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