WEBClinohumite stones are rarely yellow-green or reddish-orange, and chondrodite can be red. Faceted humite gemstones (usually clinohumite or chondrodite) …
Geographical occurrence: Gem quality Clinohumite is known to occur in two important localities - The Pamir mountains (at Kukh-i-lal, Sumdzin and Changin); in Tajikistan in association with spinel and in the Taymyr …
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7434cc80-3037-42fe-837b-77892e97f697 (as Clinohumit) 92b3212c-b84e-4e66-8687-4d306a921b55 (as Clinohumite)
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The most well-known source for gem-quality clinohumite is Tajikistan, in the Pamir Mountains. Russia also produces gem-quality clinohumite in the Lake Baikal and Taymyr regions. Tilly Foster Mine in Brewster, New York produces fine crystals of reddish brown, gemmy chondrodite, associated with humite and clinohumite. This is the principal …
Clinohumite (Mg;Fe2+)9(SiO4)4(F;OH)2 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic. Point Group: 2=m: Crystals complex, highly modi¯ed, to 2 cm; massive. Twinning: Common on f100g, simple, lamellar.
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A relatively new addition to the world of gems, clinohumite was first discovered in 1876 within stones erupted from Mount Vesuvius. Only recently have gem-quality pieces been found in locales including Tajikistan's Pamir Mountains.
Phase equilibrium experiments were performed in the MgO–SiO2–H2O system, along with fluorine (MSH + F), at conditions between 800–1000 °C and 2.0–2.5 GPa to constrain the solubility of fluorine in humite-group minerals and to determine fluorine partitioning between humite-group minerals and aqueous fluid. Fluorine solubility in …
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Clinohumite is a potentially abundant silicate mineral with high water concentration (2-3 wt% H2O) that is generated from dehydration of serpentine-group minerals in subduction zones.
The subsequent work of Stalder and Ulmer (2001), however, is not in agreement with this line of reasoning.These authors conducted experiments on a mixture of synthetic talc and brucite with a nominal composition of chrysotile serpentine [Mg 3 Si 2 O 5 (OH) 4].Their starting material also had ∼0.02 wt.% TiO 2, 0.5 wt.% Al 2 O 3, 1 wt.% FeO, and 0.1 …
Clinohumite is a rare mineral and an especially rare gemstone. It is a member of the humite group of minerals, which includes humite, clinohumite, chondrodite, and norbergite. The humite minerals are named after Sir Abraham Hume (1749-1838), an English mineralogist and famous art collector.
Clinohumite gemstones are one of the most versatile stones in the gemstone world. Their unique properties make them ideal for use in a variety of applications beyond jewelry. Here are some of the ways you …
Sample synthesis and composition. The sample SZ0411B is Mg-pure clinohumite, and we assume the stoichiometric composition to be Mg 9 Si 4 O 18 H 2, whereas the composition of the Fe-bearing sample SZ0407B was analyzed by electron microprobe.Both samples were synthesised at 12GPa and 1,250 °C in double-capsule …
SUMMARY ill found in the clinopyroxene-bearing part of the serpentinites and are at some places clearly associatedwithmetapyroxenites. Theveinsconsistofvariable amounts oftitanian clinohumite, olivine, diopside, chlorite, antigorite and magnetite; minor constituents are calcite, ilmenite, perovskite, apatite andsulphides. Comparison ofbulk and mineral data …
Based on this finding we propose that in subduction zones, clinohumite effectively transports water and other volatiles from shallow depths to the transition zone of the …
Clinohumite is a unique gemstone that brings a touch of sophistication and elegance to any piece of jewelry. Adding clinohumite to your jewelry collection will not only showcase your love for rare gemstones but also …
Ti-clinohumite-bearing garnet peridotites at Zhimafang in this area (Fig. 1a) were shown to have been emplaced earlier from the mantle to a shallow level and subsequently subducted to great depth during the Triassic continental collision in eastern China (Yang and Jahn, 2000). However, field relations, parageneses, mineral and whole …
Clinohumite is one of the most important H 2 O and fluorine (F) carriers in the subducted slab. Here, we determined the single …
The origin of the F-rich clinohumite could also be related to the mineral assemblage in sample Al15. Clinohumite is the only phase incorporating F in this sample. Phlogopite, amphibole and apatite are absent. Thus, all the F present in the rock would be concentrated in clinohumite, resulting in extreme fluorine enrichment in some grains.
PE Clinohumite = 6.52 barns/electron U=PE Clinohumite x rElectron Density= 22.42 barns/cc. Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units) Clinohumite is Not Radioactive
Clinohumite is a known member of the Humite number of minerals that includes Chondrodite, Clinohumite, Humite and Norbergite. This is a very breathtaking and treasure that is rare is frequently very small and included. The clinohumite that is best comes with an intense and bright orange color with few inclusions. Clinohumite was found in 1876
Clinohumite is a rare and beautiful stone with colors ranging from honey yellow to dark brown. A bringer of joy and happiness and a stone that helps clear emotional blockages, clinohumite might be one of the most …
A titanian clinohumite-bearing dunite was recently found in the Ulamertoq ultramafic body within the 3.0 Ga Akia Terrane of southern West Greenland. Titanian clinohumite occurs as disseminated and discrete grains. Titanian clinohumite contains relatively high amounts of fluorine, reaching up to 2.4 wt.%. The high-Fo content of …
The Mineral clinohumite. Clinohumite is a member of the humite group, and is chemically similar to Humite, with a very slightly modified chemical formula and different crystal …
Stones of Clinohumite are often small in size and can be both transparent or come with a dull lustre, although the former is more popular and often sought after. The shape that the crystal takes can be prismatic or granular, often with a tetrahedral or octahedral formation. Clinohumite was first discovered in Italy on the famous Mount …
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