Cordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate. Iron is almost always present, and a solid solution exists between...

Cordierites is a genus of fungi in the family Cordieritidaceae. The genus name of Cordierites is in honour of François Simon Cordier (1797-1874), a French...

common filter is made of cordierite (a ceramic material that is also used as catalytic converter supports (cores)). Cordierite filters provide excellent...

the unaided eye, there are often larger crystals (porphyroblasts) of cordierite, garnet or andalusite scattered through the fine matrix, and these may...

varieties include the gemstones emerald (green) and aquamarine (bluish). Cordierite is structurally similar to beryl, and is a common metamorphic mineral...

Combeite Conichalcite Connellite Cooperite Copiapite Copper Corderoite Cordierite Corkite Cornubite Cornwallite Corundum Cotunnite Covellite Coyoteite Creedite...

blue-yellow / blue-colorless Benitoite (strong): colorless / dark blue Cordierite (aka Iolite) (orthorhombic; very strong): pale yellow / violet / pale...

required. The substrate is structured to produce a large surface area. The cordierite ceramic substrate used in most catalytic converters was invented by Rodney...

abundance of microscopic inclusions, with examples including opal and cordierite, jadeite. Many minerals with a greasy lustre also feel greasy to the touch...

distinctive minerals, such as garnet, staurolite, kyanite, sillimanite, or cordierite. Because schists are a very large class of metamorphic rock, geologists...

Pezzottaite – Cs(Be2Li)Al2Si6O18 Osumilite – (K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30 Cordierite – (Mg,Fe)2Al4Si5O18 Sekaninaite – (Fe+2,Mg)2Al4Si5O18 9-member single...

Clinochlore Clinohumite Clinozoisite Clintonite Cobaltite Colemanite Cordierite Iolite (var.) Cornwallite Corundum Ruby (var.) Sapphire (var.) Padparadscha...

ruby deposits in the Tsavo area of Kenya, eliminated dumortierite and cordierite as possibilities, and sent samples to his father, Hyman Saul, vice president...

Corderoite Cde Carbobystrite Cbys Chalcothallite Ccth Chukhrovite-(Nd) Chk-Nd Cordierite Crd Carbocernaite Cbc Challacolloite Chc Chukhrovite-(Y) Chk-Y Cordylite-(Ce)...

granulite. It occurs with andalusite, kyanite, potassium feldspar, almandine, cordierite, biotite and quartz in schist, gneiss, hornfels and also rarely in pegmatites...

plagioclase + garnet ± orthopyroxene (higher pressure) In metapelites: garnet + cordierite + sillimanite + K-feldspar + quartz ± biotite sapphirine + orthopyroxene...

sapphire, graphite, lead, zinc, corundum, amethyst, garnet, zircon, cordierite, quartz, beryl and ilmenite are extracted in the region. Ampasindava mine...

smoke, gases and kiln debris: Modern saggars are made of alumina ceramic, cordierite ceramic, mullite ceramic silicon carbide and in special cases from zirconia...

rimming relict orthopyroxenes and olivine, and as an accessory mineral in cordierite-bearing gneisses and schists. Anthophyllite also occurs as a retrograde...

in crossed-polarized light and cleavage in plane-polarized light, and cordierite, although it can be distinguished by twinning or inclusions in the grain...

Kunzite 0.017 0.010 Spodumene 0.017 0.010 Tourmaline 0.017 0.009–0.011 Cordierite 0.017 0.009 Danburite 0.017 0.009 Herderite 0.017 0.008–0.009 Rubellite...

Ramskou posited that the "sunstone" could have been one of the minerals (cordierite or Iceland spar) that polarize light and by which the azimuth of the sun...

combination. Examples of peraluminous minerals include biotite, muscovite, cordierite, andalusite and garnet. Peraluminous corresponds to the aluminum saturation...

sources". NASA. Ames Research Center, Space Resources and Space Settlements. Cordierite-Spinel Troctolite, a New Magnesium-Rich Lithology from the Lunar Highlands...

compass to locate true north. On cloudy days, the Vikings may have used cordierite or some other birefringent crystal to determine the sun's direction and...

have been natural crystals capable of polarizing skylight. The mineral cordierite occurring in Norway has the local name "Viking's Compass." Its changes...

65±5 162±12 Macor machineable glass-ceramic 66.9 2.52 26.55 10.53 8.14 Cordierite 70 2.6 26.9 10.4 3.98 Glass 70±20 2.6±0.2 28±10 11.2±4.8 4.4±2.1 Tooth...

converters are made of a ceramic that contains a large proportion of synthetic cordierite, 2MgO•2Al2O3•5SiO2, which has a low coefficient of thermal expansion....

[citation needed] These minerals include cordierite, muscovite, garnet, and sillimanite. Within S-type volcanics, cordierite occurs in place of clinopyroxene...

automotive exhaust gas. Compared to traditional catalytic converters that use cordierite ceramic as substrate, metal foam substrate offers better heat transfer...