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Garnet Gemstone - Papasian Diamond Jewelry House

Garnet

Garnets are a group of minerals that crystallize in uniform shapes, have similar properties and a different color. The Garnets are red like the seeds of the "finicky apple" - a garnet tree (pomegranate). The crystals of the red garnet resemble the red grains of the pomegranate. They don't have cessation, they have a shell like crumble, they are brittle, hardness is 6.5-7.5.

Since ancient times the Garnets are appreciated and loved stones.

Garnets are represented by several mineral species::

Pyrope - the most famous and most beautiful garnet. It has a ruby red color. The Pyrite is the magnesia variety of grenades. Its hardness is 7-7.5.

Rhodolite - its the rosy variety of the pyrope. Its name comes from the Greek rodon- rose color.
The pure rhodolite has a bright red - pink to dark purple hue. Appears as well formed crystals up to 2 cm in size.

Almandin - the most popular jewelry garnet. Its name derives from the area of Almanda in Central Asia, a place where at ancient times the gems has been handled. Its color varies from red to violet, almost black, opaque. Is difficult to differs from the pyrope. Almandin's hardness is 7.5. Large crystals occur rarely, usually they are up to 5-6 cm.

Spassartin - named so on the spot of finding - Shpesart in Bavaria. Its color is pink, orange, brown-red. Spassartin has a hardness of 7-7.5. The size of the jewelry crystals are insignificant, but there are unique crystals from Madagascar and Brazil with a mass of more than 100 carats.

Grosolar - named in association with the color of the grapes grossularia /lat/. Its color is green, greenish-yellow, copper-brown. Hardness 7-7.5. There are several types of Grosolar:

  • Tsavorit (Tzavrit) - discovered in 1968. in Tanzania and Kenya. It is colorless to pale green in color.
  • Laikogarnet - colorless garnets. There are deposits located in Canada, USA, Mexico.

Hessonite - brown or copper yellow in color - like the color of cinnamon. Its hardness is 7.5. Only the green and pink varieties are used for jewelry purposes.

Uvarovite - a rare grassy-green variety of garnets. The emerald color is due to the chromium in its composition. They can be seen as small-grained aggregates and small druzas of up to 2-3 cm. Larger crystals are very rare. Its hardness is 7.

Andradite - The calcium variety of Garnet. The mineral itself is of no interest to the jewelry industry but some of its varieties are:

  • Demanthoid - the most valuable of the group of garnets with yellowish, peanut, emerald color and brownish tint, transparent. Its name derives from the German diamond - diamond, due to the strong play and shine of the faceted stones. Sometimes it is called a Ural or Siberian Chrysalite, a Ural Emerald. It occurs as small oval grains measuring from ten to millimeter to 10 cm. Large crystals rarely occur. In private collections and museums are stored Demantoids with a mass of 10-16 carats. Its hardness is 6.5-7. Demantoid is faceted brilliantly, gradeate. The stones with defects are treated as cabochons.
  • Topazolite - a variety of andradite, transparent in yellow, lemon yellow, copper-yellow color. It looks like the yellow topaz, from where its name originates. Its hardness is 6.5-7. Rarely used in jewelry. Forms small crystals up to 2-3 carats. Located in Italy, Switzerland.
  • Melanit (sholomite) - a black variety of andradite, containing titanium. Its name derives from the Greek language melas - black. It is used to make black funeral adornments. There are locations in Italy, Germany, USA, France.