• Proto-anthophyllite: Mineral information, data and localities.

    www.mindat.org/min-11477.html The anthophyllite group are orthorhombic amphiboles in the magnesium-iron-manganese amphibole subgroup. The minerals in this root name group may have either Pnma or Pnmn (proto- prefixed name) space group symmetry. The anthophyllite group's composition is defined with A (Na+K+2Ca)
  • Protoanthophyllite Mineral Data

    webmineral.com/data/Protoanthophyllite.shtml Visit our Advertisers for Protoanthophyllite : Dakota Matrix Minerals Google Search for Protoanthophyllite John Betts Fine Minerals Search for Protoanthophyllite McDougall Minerals Google Search for Protoanthophyllite Rock and Mineral Shows Google Search for Protoanthophyllite Weinrich Minerals, Inc. Google Search for Protoanthophyllite
  • Protoanthophyllite dictionary definition ...

    www.yourdictionary.com/protoanthophyllite protoanthophyllite definition: Noun 1. (mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, iron, magnesium, manganese, nickel, oxygen ...
  • What does PROTOANTHOPHYLLITE mean? - definitions.net

    www.definitions.net/definition/PROTOANTHOPHYLLITE Definition of PROTOANTHOPHYLLITE in the Definitions.net dictionary. Meaning of PROTOANTHOPHYLLITE. What does PROTOANTHOPHYLLITE mean? Information and translations of PROTOANTHOPHYLLITE in the most comprehensive dictionary definitions resource on the web.
  • Proto-ferro-anthophyllite: Mineral information, data and ...

    www.mindat.org/min-7254.html The anthophyllite group are orthorhombic amphiboles in the magnesium-iron-manganese amphibole subgroup. The minerals in this root name group may have either Pnma or Pnmn (proto- prefixed name) space group symmetry. The anthophyllite group's composition is defined with A (Na+K+2Ca)
  • Protoanthophyllite Synonyms & Antonyms | Synonyms.com

    www.synonyms.com/synonym/protoanthophyllite Find all the synonyms and alternative words for protoanthophyllite at Synonyms.com, the largest free online thesaurus, antonyms, definitions and translations resource on the web.
  • Protoanthophyllite Mineral Data - webmin.mindat.org

    webmin.mindat.org/data/Protoanthophyllite.shtml Protoanthophyllite Comments: Drill core showing white acicular crystalline aggregates of protoanthophyllite in matrix with a close up image on the right.. Location: Drill-core sample from the waste dump of the abandoned Takase chromite mine, Okayama Prefecture, Japan.
  • Protoanthophyllite from three metamorphosed serpentinites ...

    pubs.geoscienceworld.org/msa/.../protoanthophyllite-from-three-metamorphosed This is the first report of a natural Mg-rich protoanthophyllite. It is common in metamorphosed serpentinites from three Japanese ultramafic complexes, and some crystals contain anthophyllite (Pnma) lamellae.The Mg/(Mg + Fe) ratios of the Hayachine, Tari-Misaka, and Takase protoanthophyllites are 0.90, 0.92, and 0.91, respectively.
  • Crystal structure of protoanthophyllite: A new mineral ...

    pubs.geoscienceworld.org/msa/.../crystal-structure-of-protoanthophyllite-a-new Protoanthophyllite, (Mg, Fe) 7 Si 8 O 22 (OH) 2, is a newly discovered amphibole species from the Takase ultramafic complex in Japan.It occurs as prismatic crystals up to 5 mm in length in a thermally altered serpentinite that experienced contact metamorphism.
  • Protoferro-anthophyllite Mineral Data

    webmin.mindat.org/data/Protoferro-anthophyllite.shtml 66.01.02.02a Protoanthophyllite! (Mg,Fe)7Si8O22(OH)2 Pnmn 2/m 2/m 2/m : 66.01.02.03 Ferro-anthophyllite []Fe7Si8O22(OH)2 P nma 2/m 2/m 2/m : 66.01.02.03a Protoferro-anthophyllite! (Fe,Mn)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m : 66.01.02.03b Protomangano-ferro-anthophyllite! (Mn,Fe)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m