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Archive for March, 2009

Amethyst Gem

Tuesday, March 31st, 2009

The chemical formula of Amethyst is indicated by the formula SiO2. Amethyst is actually the purple variety of Quartz. Amethyst is actually a Silicate mineral. Amethyst derived its name from a Greek word amethustos, which means not drunken. Some consider that this is relative to one of the metaphysical powers of Amethyst, which is its […]

Montebrasite

Tuesday, March 31st, 2009

The chemical formula of mineral Montebrasite is indicated by (Li,Na)AlPO4(OH,F) or Lithium Sodium Aluminum Phosphate Hydroxide Fluoride. Montebrasite is actually a Phosphate mineral. It is also a member of the Amblygonite Group of minerals. Montebrasite is considered as a source of Lithium and Phosphorus. It is also most commonly used as mineral specimen and it […]

Minium

Tuesday, March 31st, 2009

The chemical formula of mineral Minium is indicated by Pb3O4 or Lead Oxide. Minium actually belongs to the Oxides and Hydroxides mineral class. Minium is also a member of the Spinel Group of minerals. Minium is most commonly used as mineral specimen and it is most often found exhibiting nice and interesting images when viewed […]

Millerite

Tuesday, March 31st, 2009

The chemical formula of mineral Millerite is indicated by NiS or Nickel Sulfide. Millerite is actually a Sulfide mineral. Millerite is most commonly used as mineral specimen and it is most often found exhibiting nice and interesting appearance when viewed with the aid of petrographic polarizing light microscope used in the field of optical mineralogy. […]

Leucite

Tuesday, March 31st, 2009

The chemical formula of mineral Leucite is indicated by KAlSi2O6 or Potassium Aluminum Silicate. Leucite is actually a Silicate mineral. Leucite is most commonly used as mineral specimen and it is most often found exhibiting splendid microscope images under polarizing light microscope used in the field of optical mineralogy. Leucite is also known as a […]

Aquamarine Gem

Tuesday, March 31st, 2009

The chemical formula f Aquamarine is indicated by Be3Al2Si6O18 or Beryllium Aluminium Silicate. Aquamarine is actually a Silicate mineral. This gem is actually a blue variety of Beryl. Aquamarine is also a known member of the Beryl family. The gemstone Aquamarine is the official gem of the state of Colorado, USA. Aquamarine derived its name […]

Leadhillite

Tuesday, March 31st, 2009

The chemical formula of mineral Leadhillite is indicated by Pb4SO4(CO3)2(OH)2 or Lead Sulfate Carbonate Hydroxide. Leadhillite is actually a Carbonate mineral. It is most commonly used mineral specimen and it is most often found exhibiting a nice and splendid microscope appearance when viewed with the aid of polarized microscopes used in the field of optical […]

Pyroxene Minerals

Monday, March 16th, 2009

The general formula of Pyroxenes is indicated by XY(Si, Al)2O6. The X in the chemical structure can stand either calcium, sodium, iron +2 and magnesium. The X can be more rarely found as manganese, zinc and lithium. The Y on the other hand can represent ions of generally much smaller size such as chromium, iron […]

Hydroxylbastnasite

Monday, March 16th, 2009

The chemical formula of the mineral Hydroxylbastnasite is indicated by (Ce,La,Nd)CO3(OH,F) or Cerium Lanthanum Neodymium Carbonate Hydroxide Fluoride. Hydroxylbastnasite is actually a Carbonate mineral. Mineral Hydroxylbastnasite was named after its chemical composition where hydroxyl ions are present. Mineral Hydroxylbastnasite is known to crystallize in the hexagonal system of crystal formation. In optical mineralogy, the hexagonal […]

Hydromagnesite

Monday, March 16th, 2009

The chemical formula of the mineral Hydromagnesite is indicated by Mg5(CO3)4(OH)2 – 4H2O or Hydrated Magnesium Carbonate Hydroxide. Hydromagnesite is actually a Carbonate mineral. Hydromagnesite was named after its chemical composition, for it’s being a hydrated mineral relative to magnesite. The first specimen of Hydromagnesite was discovered from Castle Point in New Jersey in 1827. […]

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