Staurolite is a reddish brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has...

minerals are known as index minerals. Examples include sillimanite, kyanite, staurolite, andalusite, and some garnet. Other minerals, such as olivines, pyroxenes...

minerals are useful as well, especially the presence of the polymorphs of staurolite, which occurs frequently with kyanite. However, the most useful characteristic...

the mineral as are its crystal face angles. For example, crystals of staurolite show twinning at angles of almost precisely 90 degrees or 30 degrees....

cross-polarized light in which feldspar crystals exhibit sericite alteration Staurolite-garnet schist in thin section under cross-polarized light with sericite...

also one of very few known places on earth where Staurolite is found. Here, the mineral Staurolite sometimes forms cross rocks or “fairy stones”. Blanchard...

muscovite, biotite, garnet, sodic plagioclase Staurolite zone: quartz, muscovite, biotite, garnet, staurolite, plagioclase Kyanite zone: quartz, muscovite...

) Spodumene Hiddenite (var.) Kunzite (var.) Triphane (var.) Spurrite Staurolite Stibiotantalite Stichtite Stolzite Strontianite Strontium titanate Sulfur...

honey bee Mammal: white-tailed deer Marine mammal: right whale Mineral: staurolite Nicknames: "Peach State" "Empire State of the South" Reptile: gopher tortoise...

and up to 1 km wide. At both banded iron formations (metamorphosed to staurolite-grade itabirites) have been enriched to form haematite and haematite-goethite...

Fairy stone may refer to: The mineral staurolite Certain calcium carbonate concretions in clay Fairy Stone State Park in Patrick County, Virginia This...

(individual crystals of unusual size) of distinctive minerals, such as garnet, staurolite, kyanite, sillimanite, or cordierite. Because schists are a very large...

opened on June 15, 1936, and is home to the mysterious "fairy stones", or staurolite. The stone, prevalent in the region, may have the St. Andrew's or Roman...

quartz, orthoclase +/- albite, +/- biotite +/- actinolite +/- garnet +/- staurolite +/- sillimanite Amphibolite facies is usually a product of Barrovian Facies...

Sphalerite Spherocobaltite Spinel Spodumene Spurrite Stannite Stannoidite Staurolite Steacyite Stellerite Stephanite Stercorite Stibarsen Stibiconite Stibiopalladinite...

grown into each other; examples of this twinning include cross-shaped staurolite twins and Carlsbad twinning in orthoclase. Cyclic twins are caused by...

of staurolite gneiss and schist, from 60 meters (200 feet) to 150 meters (490 feet) thick, which contains porphyroblasts of garnet and staurolite up to...

Al2SiO5 Dumortierite – Al 6.5–7BO 3(SiO 4) 3(O,OH) 3 Topaz – Al2SiO4(F,OH)2 Staurolite – Fe2Al9(SiO4)4(O,OH)2 Humite group – (Mg,Fe)7(SiO4)3(F,OH)2 Norbergite...

right- and left-handed crystals aragonite, gypsum, quartz, plagioclase, staurolite Hexagonal Hexagonal prism (six-sided) beryl, galena, quartz, hanksite...

Staurolite (1976)...

metamorphic rocks like mica schists, associated with minerals such as staurolite, kyanite, andalusite, and others. Almandine has nicknames of Oriental...

Sro Sulfoborite Sbo Samarskite-(Y) Smk-Y Scorodite Scd Siidraite Sii Staurolite St Sulphohalite Slhl Samarskite-(Yb) Smk-Yb Scorticoite Srt Silesiaite...

Staurolite cross found nearby...

---------------------- Gneiss --- Migmatite Chlorite zone Biotite zone Garnet zone Staurolite zone Kyanite zone Sillimanite zone A more complete indication of this...

anthophyllite, cummingtonite, sapphirine, sillimanite, kyanite, quartz, staurolite and biotite. Gedrite was first described for an occurrence in Gèdre, Hautes-Pyrenees...

Pleonaste 0.026 — Rhodolite 0.026 — Boracite 0.024 0.012 Cryolite 0.024 — Staurolite 0.023 0.012–0.013 Pyrope 0.022 0.013–0.016 Diaspore 0.02 — Grossular 0...

Formation is primarily a mica schist with zones containing garnet and staurolite-sillimanite. The unit also contains interbedded amphibolites. The mica...

assemblage changes from predominantly chlorite to biotite to garnet to staurolite to kyanite to sillimanite. This later turned out to be overly simplistic...

from the chlorite zone to the biotite zone to the garnet zone to the staurolite zone. For a metapelitic rock containing chlorite, kaolinite, and quartz...

usually included in the name, as, for example, garnet schist, or garnet-staurolite schist, and so forth. Metamorphism Metamorphic facies Best (2003), p 435...