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Mica's value is based on its unique physical properties: the crystalline structure of mica forms layers that can be split or delaminated into thin sheets usually causing foliation in rocks. These sheets are chemically inert, dielectric , elastic, flexible, hydrophilic, insulating, lightweight, platy, reflective, refractive, resilient, and range ...
Muscovite (also known as common mica, isinglass, or potash mica [6]) is a hydrated phyllosilicate mineral of aluminium and potassium with formula KAl 2 (AlSi 3 O 10)(F,OH) 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.
Mica (like muscovite or biotite) also has basal cleavage; this is why mica can be peeled into thin sheets. Prismatic cleavage occurs when there are two cleavage planes in a crystal (but not three). Spodumene is an example where the planes meet at a 90 degree angles. Hornblende is an example where the planes intersect at 56° and 124°.
Fuchsite, also known as chrome mica, is a chromium (Cr)-rich variety of the mineral muscovite, belonging to the mica group of phyllosilicate minerals, with the chemical formula K(Al,Cr) 3 Si 3 O 10 (OH) 2. [2] Trivalent chromium replaces one of the aluminium (Al
Biotite is a common group of phyllosilicate minerals within the mica group, with the approximate chemical formula K(Mg,Fe) 3 AlSi 3 O 10 (F,OH) 2.It is primarily a solid-solution series between the iron-endmember annite, and the magnesium-endmember phlogopite; more aluminous end-members include siderophyllite and eastonite.
Aluminum can prices vary by region and are based on weight. The average recycling value per pound of cans in the U.S. is currently $0.56. How many aluminum cans are in a pound?
Ephesite, a mica structure, arises from the stacking of T-O-T layers along the c-axis direction connected by I-cations where T,O, and I stand for tetrahedral-, octahedral-, and interlayer. Creating long, flat sheets of sodium and lithium rich tetrehedra. [7] Ephesite in particular belongs in the trioctahedral mica subgroup. Micas are determined ...
Annite is a phyllosilicate mineral in the mica family. It has a chemical formula of KFe 3 2+ AlSi 3 O 10 (OH) 2. [8] Annite is the iron end member of the biotite mica group, the iron rich analogue of magnesium rich phlogopite. [9] Annite is monoclinic and contains tabular crystals and cleavage fragments with pseudohexagonal outlines. [6]