• Thumbnail for Staurolite
    Staurolite is a reddish brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has...
    6 KB (414 words) - 00:07, 30 December 2024
  • Thumbnail for Metamorphic rock
    minerals are known as index minerals. Examples include sillimanite, kyanite, staurolite, andalusite, and some garnet. Other minerals, such as olivines, pyroxenes...
    37 KB (4,412 words) - 21:27, 20 February 2025
  • Thumbnail for Kyanite
    minerals are useful as well, especially the presence of the polymorphs of staurolite, which occurs frequently with kyanite. However, the most useful characteristic...
    14 KB (1,510 words) - 13:30, 4 February 2024
  • Thumbnail for Crystal twinning
    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....
    52 KB (5,989 words) - 21:11, 31 January 2025
  • Thumbnail for Georgia (U.S. state)
    honey bee Mammal: white-tailed deer Marine mammal: right whale Mineral: staurolite Nicknames: "Peach State" "Empire State of the South" Reptile: gopher tortoise...
    174 KB (15,308 words) - 16:46, 13 March 2025
  • Thumbnail for Index mineral
    muscovite, biotite, garnet, sodic plagioclase Staurolite zone: quartz, muscovite, biotite, garnet, staurolite, plagioclase Kyanite zone: quartz, muscovite...
    2 KB (242 words) - 16:57, 15 December 2023
  • ) Spodumene Hiddenite (var.) Kunzite (var.) Triphane (var.) Spurrite Staurolite Stibiotantalite Stichtite Stolzite Strontianite Strontium titanate Sulfur...
    13 KB (867 words) - 23:28, 2 February 2025
  • Thumbnail for Blanchard Dam
    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...
    3 KB (253 words) - 21:38, 27 September 2023
  • Thumbnail for Garnet
    metamorphic rocks like mica schists, associated with minerals such as staurolite, kyanite, andalusite, and others. Almandine has nicknames of Oriental...
    50 KB (4,859 words) - 20:28, 14 February 2025
  • Thumbnail for Fairy Stone State Park
    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...
    5 KB (283 words) - 09:58, 19 January 2025
  • Thumbnail for Sericite
    cross-polarized light in which feldspar crystals exhibit sericite alteration Staurolite-garnet schist in thin section under cross-polarized light with sericite...
    2 KB (168 words) - 03:12, 24 January 2024
  • 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...
    16 KB (1,573 words) - 13:38, 11 January 2025
  • Thumbnail for Mineral
    grown into each other; examples of this twinning include cross-shaped staurolite twins and Carlsbad twinning in orthoclase. Cyclic twins are caused by...
    111 KB (13,143 words) - 17:09, 24 February 2025
  • Thumbnail for Schist
    (individual crystals of unusual size) of distinctive minerals, such as garnet, staurolite, kyanite, sillimanite, or cordierite. Because schists are a very large...
    17 KB (1,847 words) - 17:46, 30 January 2025
  • Thumbnail for Rinconada Formation
    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...
    9 KB (859 words) - 06:23, 17 July 2024
  • staurolite trilogy: 1. Lithium in staurolite and its petrologic significance. 2. An experimental determination of the upper stability of staurolite plus...
    7 KB (661 words) - 03:21, 12 December 2024
  • Sphalerite Spherocobaltite Spinel Spodumene Spurrite Stannite Stannoidite Staurolite Steacyite Stellerite Stephanite Stercorite Stibarsen Stibiconite Stibiopalladinite...
    43 KB (2,824 words) - 15:57, 11 March 2025
  • Fairy stone may refer to: The mineral staurolite Certain calcium carbonate concretions in clay Fairy Stone State Park in Patrick County, Virginia This...
    223 bytes (54 words) - 18:52, 11 March 2021
  • Thumbnail for Pizzo Forno
    and is subject to frequent landslides. It is famous for its disten and staurolite crystals and for having given the surname Forni which is now common throughout...
    2 KB (141 words) - 03:04, 5 May 2022
  • Thumbnail for Crystal habit
    right- and left-handed crystals aragonite, gypsum, quartz, plagioclase, staurolite Hexagonal Hexagonal prism (six-sided) beryl, galena, quartz, hanksite...
    19 KB (466 words) - 08:12, 8 May 2024
  • Thumbnail for Pilar, New Mexico
    Staurolite cross found nearby...
    3 KB (376 words) - 23:05, 14 November 2023
  • Thumbnail for Dispersion (optics)
    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...
    33 KB (3,420 words) - 05:05, 28 February 2025
  • Thumbnail for Metamorphism
    ---------------------- Gneiss --- Migmatite Chlorite zone Biotite zone Garnet zone Staurolite zone Kyanite zone Sillimanite zone A more complete indication of this...
    51 KB (5,769 words) - 14:38, 30 January 2025
  • Thumbnail for Metamorphic facies
    In metapelites: muscovite + biotite + quartz + plagioclase ± garnet, staurolite, kyanite/sillimanite In Si-dolostones: dolomite + calcite + tremolite...
    13 KB (1,402 words) - 10:33, 2 December 2024
  • Thumbnail for Amphibolite
    quartz, orthoclase +/- albite, +/- biotite +/- actinolite +/- garnet +/- staurolite +/- sillimanite Amphibolite facies is usually a product of Barrovian Facies...
    9 KB (1,012 words) - 14:30, 9 January 2024
  • Staurolite (1976)...
    45 KB (1,893 words) - 12:56, 10 December 2024
  • Thumbnail for Gedrite
    anthophyllite, cummingtonite, sapphirine, sillimanite, kyanite, quartz, staurolite and biotite. Gedrite was first described for an occurrence in Gèdre, Hautes-Pyrénées...
    4 KB (266 words) - 11:29, 5 February 2025
  • Thumbnail for Silicate mineral
    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...
    27 KB (2,564 words) - 05:52, 1 March 2025
  • Thumbnail for List of Georgia state symbols
    Marine mammal North Atlantic right whale Eubalaena glacialis 1985 Mineral Staurolite 1976 Motto "Wisdom, Justice, Moderation" 1799 Musical theater Jekyll Island...
    47 KB (2,338 words) - 20:18, 16 April 2024
  • usually included in the name, as, for example, garnet schist, or garnet-staurolite schist, and so forth. Metamorphism Metamorphic facies Best (2003), p 435...
    2 KB (299 words) - 22:30, 12 April 2024