Muscovite is the most common mineral of the mica family. It is an important rock-forming mineral present in igneous, metamorphic, and sedimentary rocks. Like other micas it readily cleaves into thin transparent sheets. Muscovite sheets have a pearly to vitreous luster on their surface.
Healing Properties... This mica crystal is also a strong heart chakra stone. Although all colors of this stone will resonate with the heart chakra, both the deep pink colored Muscovite stone and the green stone have the strongest metaphysical properties within the heart chakra.
Muscovite (also known as common mica, isinglass, or potash mica) is a hydrated phyllosilicate mineral of aluminium and potassium with formula K Al 2 (AlSi 3 O 10)(FOH) 2, or 2 (Al 2 O 3) 3 (SiO 2) 6 (H 2 O). It has a highly perfect basal cleavage yielding remarkably thin laminae (sheets) which are often highly elastic.
The name Muscovite comes from the English words Muscovy glass, which is the name of a type of glass used in Russia that is made with Muscovite Mica. Interesting Facts. Muscovite gets its name from Muscovy state in Russia, where the mineral was used a glass substitute in the 14th century.
Muscovy Province in Russia yielded sheet mica for a variety of uses. Muscovite and sometimes similar species were earlier called mica (Phillips and Kersey, 1706), glimmer (Phillips and Kersey, 1706), and isinglass (1747 according to OED) but all of these terms are still in use to some degree.
MICA, a generic term, refers to any of a group of approximately 30 silicate minerals occurring as non-fibrous plates. Muscovite (hydrated aluminium potassium silicate[KAl2(AlSi3O10)(F, OH)2 ])and phlogopite (potassium magnesium aluminum silicate hydroxide) are the two major micas of commerce.
Beautiful yellow Muscovite comes from the Davib Ost Farm, Karibib, Erongo, Namibia. Fine Muscovite plates, often associated with valuable pegmatite gemstones, come from the Shigar Valley and Skardu District in Northern Pakistan. Nellore, India, is famous for its Muscovite mines which have produced some of the worlds largest mica sheets.
PE Muscovite = 2.39 barns/electron U=PE Muscovite x r electron = 6.72 barns/cc. Radioactivity: GRapi = 140.52 (Gamma Ray American Petroleum Institute Units) Concentration of Muscovite per GRapi unit = 0.71 (%) Estimated Radioactivity from Muscovite - barely detectable : Muscovite Classification
The term "mica" is so familiar to the general public that it is often considered a mineral in itself. Of course it is actually a group of minerals and most people who are knowledgeable about minerals know the three most common mica minerals: muscovite, fuchsite, and lepidolite.
Mica: Mica, any of a group of hydrous potassium, aluminum silicate minerals. It is a type of phyllosilicate, exhibiting a two-dimensional sheet or layer structure. Among the principal rock-forming minerals, micas are found in all three major rock varieties—igneous, sedimentary, and metamorphic.