Sodium (pronounced /ˈsoʊdiəm/) is a chemical element which has the symbol Na (Latin: natrium), atomic number 11, atomic mass 22.9898 g/mol, common oxidation number +1.
Sodium: A common soft, waxy, light, extremely malleable silver-white unstable metallic element of the alkali group. It is always found as a compound with other elements in nature, such as common salt, albite, etc.
This sodium aluminum chlorine silicate is almost identical in composition to lapis lazuli, except lapis contains sulfur instead of chlorine.
Potassium sodium lithium (Iron, Manganese, Aluminum) Silicate
Crystal:
Hexagonal (crystals are very rare, usually massive) ...
Jadeite is a sodium aluminum silicate and has become the most popular form of jade. It comes in a variety of colors, from popular greens to orange, yellow, brown, blue, purple, and black. On Mohs' scale of hardness, jadeite ranks 6.
R.I.: 2.4175 in sodium light; one of the highest R.I.s of any gem material.
Birefringence: none, isotropic
Dispersion: v. high, 0.044 ...
Labradorite is a sodium-rich variety of plagioclase feldspar. While transparent labradorite is relatively free from inclusions and appears red, orange, yellow or colorless, the smoke grey varieties that show a rainbow-like color effect or “ ...
Rubellite (elbaite, sodium-lithium tourmaline) is a lithium-rich complex crystalline silicate (cyclosilicate) containing aluminum, boron and trace amounts of magnesium and iron.
feldspar (group) Group of minerals that are aluminum silicates containing potassium, sodium, and/or calcium. Some minerals in this group are wrongly classified as other minerals in this group.
9% sodium chloride solution.
Either buy this from a drug store or make up your own solution: One quarter teaspoon of sea salt is dissolved in 8 ounces (250mls) of bottled water.
However, magma also contains in varying quantities ions of all the other elements (aluminum, Al, iron, Fe, calcium, Ca, sodium, Na, potassium, K, and magnesium, Mg) which compose the bulk of the earth's crust.
In the case of flux diffusions, we used fluxes of calcium borate, calcium phosphate, or sodium phosphate. In each case we used small additions of alumina and zirconia to raise the viscosity of the flux at high temperature.
The second, jadeite, is a sodium aluminum silicate that can have the full range of colors known as jade. Varieties of serpentine have also been confused with true jade throughout history.
Sodalite Sodalite, whose name reflects its sodium content, is found in all shades of blue and is a major constituent of the rock lapis lazuli - so the two are easily confused.
A sodium dichromate pickle with a low percentage of sulfuric acid has been mentioned as a fire scale remover, though I have not used it for that.
It is a very complex silicate, containing aluminum, magnesium, sodium (or other alkali metal, as, for example, lithium), iron, boron, and hydrogen. As Ruskin says of it in his The Ethics of the Dust, when Mary asks "and what is it made of?
Salt (NaCl or sodium chloride) is a crystalline chemical that occurs naturally around the world, in oceans and in salt deposits. The oceans on Earth contain salt (roughly 2.6% salt by weight), as do some lakes.
the name signifies the stone's sodium content
Color: White, blue, grey
Hardness: 5.5 to 6
Transparency: Transparent to opaque
Used as a substitute for the more expensive lapis, although it does not have the gold flecks that the lapis contains.
Sodalite is chemically known as Sodium Aluminum Silicate Chloride and it is a colored semi-precious gemstone.
The stone belongs to the plagioclase feldspar group, which is a series of mixtures of sodium and calcium aluminum silicates. It was discovered in 1940 during World War II by accident.
White light can give good results for single refractive stones, but for doubly refractive gems sodium light source is the best option.
The entire feldspar group is divided into two main branches, the potassium feldspars: microcline and orthoclase, and the sodium/calcium feldspars known as the plagioclase "series".
I use a 20% sodium hydroxide solution warmed on a hot plate followed by steam cleaning. Dip the cleaned burrs in concentrated nitric acid and let the acid work for a half minute or less, then steam clean again. Your burrs should be sharpened.
Blue stone of sulphur containing sodium aluminum silicate. 5-6 on the Mohs' scale. Composed of several minerals. Very sensitive to high temperatures, hot baths and acids. Usually spotted or striped.
It is found combined as calcium fluoride in fluorite, and as a double fluoride of aluminum and sodium in cryolite.
Chemical composition -- Sodium aluminum silicate.
Color -- A wide range of colors including white, green, yellow, red, orange, violet, and black.
Optics -- R.I. 1.64-1.67. Usually the refractometer shows only one line near 1.66.
Saline Solution is a general term referring to a sterile solution of sodium chloride (salt) and water. Frequently used for intravenous infusion, rinsing contact lenses, cleaning piercings, nasal irrigation, and the yogic practice called jala neti.
The feldspar was hand-separated to eliminate sodium feldspar, quartz and all visible fragments of muscovite, beryl, and tourmaline. One-fourth of the quarried rock was recovered as salable feldspar.
Whose name reflects its sodium content, is found in all shades of blue and is a major constituent of the rock lapis lazuli.
Spinel
A gemstone found in a wide range of colors, the most valuable resembling ruby red.
Tourmaline is a complex borosilicate mineral with varying amounts of aluminum, iron, magnesium, sodium, lithium, potassium, and sometimes other elements, used as a gem.
Chemical Composition: sodium aluminum silicate (jadeite), calcium magnesium aluminum silicate, with some iron (nephrite)
Crystal System: monoclinic (jadeite and nephrite)
Hardness: 7 (jadeite), 6.5 (nephrite)
Specific Gravity: 3.3-3.
Solution of copper sulphate and sodium carbonate developed in 1885 for the prevention of mildew and other diseases on grape vines.
Busbars ...
Charoite: Formed from silicate of potassium, calcium and sodium. 5-6 on the Mohs Hardness Scale. Excessive heat, ultrasonic and steam cleaning and harsh chemicals must be avoided.
Comments:
Calcium-rich plag is called Anorthite. Sodium-rich plag is called Albite. Twinning occurs.
Inaccurate data? Better photos? .
Sodalite is sodium aluminum silicate chloride; its formula is Na4Al3(SiO4)3Cl. Sodalite has a hardness of 5.5 to 6 and a specific gravity of 2.1 - 2.3. Sodalite is found in Brazil, Canada, India, Italy, Namibia, United States, and Russia.
Smoky topaz: see SMOKY QUARTZ Sodalite: Whose name reflects its sodium content, is found in all shades of blue and is a major constituent of the rock lapis lazuli.
and who had previously isolated the elements sodium, potassium, barium, calcium and magnesium - managed,
by similar techniques, to isolate the unknown element (strontium) from the new mineral species.
Compound - A combination of two or more different atoms bonded together. For example common table salt is a compound of the elements sodium and chlorine.
Conduct - To transmit or serve as a channel or medium for heat, electricity or sound.
All feldspars are types of aluminium silicate, with potassium, calcium, sodium or barium. Varieties include sunstone, moonstone, labradorite and amazonite. From the German ‘feld' field and ‘spath' rock.
Cyanidation
a method of extracting gold grains from crushed or ground ore by dissolving them in a weak solution of sodium or calcium cyanide: also known as leaching
D ...
The Plagioclase series is a group of related feldspar minerals that basically have the same formula but vary in their percentage of sodium and calcium.
90% of calcium carbonate crystals (aragonite);
5% of organic protein (conchiolin) that binds the aragonite crystals together;
2% of water;
Sodium, magnesium, strontium.
It is usually given for yellow light (sodium D-lines; wavelength 589.3 nm). The relative refractive index is the ratio of the speed of light in one medium to that in an adjacent medium.
(physics.about.com) ...
Apply a diluted solution of sodium porborate, hydrogen peroxide, or Clorox to the stained area only. Let it stand for about 10 minutes and rinse thoroughly.
feldspar Number six on the Mohs hardness scale. A group of crystalline structures that are all aluminum silicates with at least one other mineral included such as potassium, sodium, calcium or barium.
Nephrite jade is found in shades of green, from very dark (black jade) to pale. Jadeite composition: sodium aluminum silicate; hardness: 7.0. Nephrite composition: calcium magnesium iron silicate; hardness: 6.5.
Most rocks at the Earth's surface are formed from only eight elements (oxygen, silicon, aluminum, iron, magnesium, calcium, potassium, and sodium), but these elements are combined in a number of ways to make rocks that are very different.
36%, sodium 4.18%, manganese 2.59%, potassium 1.20%, titanium .90%, phosphorus .35%, magnesium .12%, strontium .06%, Beryllium .04%, copper .03%, lead .03%, zirconium .02%, chromium .02%, and zinc .02%; the remaining 0.
As white visible light comprises a certain spread of wave-lengths, the refraction of gemstones is generally referred to the Invariable and reproducible wave-length of the so-called sodium line at 589.3 nm.
Sodalite is a blue mineral composed of sodium, aluminum, silica and choride. It has only been found in limited locations where quartz is absent and has a hardness of 5.5-6.
 See also: Mineral, Color, Crystal, Stone, Water
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