• Eckermannite: Mineral information, data and localities.

    www.mindat.org/min-1348.html The eckermannite group minerals are sodium amphiboles defined with A (Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C (Al+Fe 3+ +2Ti) < 1.5 apfu with Al as the dominant element Eckermannite is defined with A position: Na dominant C 2+ position: Mg dominant C 3+ position: Al dominant W position: (OH) dominant
  • Eckermannite | Definition of Eckermannite by Merriam-Webster

    www.merriam-webster.com/dictionary/eckermannite Eckermannite definition is - a mineral Na3(Mg,Li)4(Al,Fe)Si8O22(OH,F)2 consisting of an amphibole containing magnesium, lithium, iron, and some fluorine.
  • Eckermannite Mineral Data

    www.webmineral.com/data/Eckermannite.shtml Eckermannite Crystallography: Axial Ratios: a:b:c =0.5456:1:0.2953 : Cell Dimensions: a = 9.762, b = 17.892, c = 5.284, Z = 2; beta = 103.2° V = 898.53 Den(Calc)= 2.97
  • Eckermannite | Article about eckermannite by The Free ...

    encyclopedia2.thefreedictionary.com/eckermannite [ ] Eckermannite, Na[Na.sub.2]([Mg.sub.4]Al)[Si.sub.8][O.sub.22][(OH).sub.2], mon., forms a series with Ferro-eckermannite, Amphibole group, Can.
  • MetaphysicalRealm1.com > *E* Crystals > Eckermannite

    www.metaphysicalrealm1.com/xcart/Eckermannite STERLING SILVER ECKERMANNITE PENDANT #5. $54.00; Only 1 left in stock. Not rated yet. Add to cart. Wishlist Drag and drop me to the cart The product is unavailable in the catalog . ECKERMANNITE CRYSTAL #6. $22.00; Only 1 left in stock. Not rated yet. Add to cart. Wishlist
  • Eckermannite | mineral | Britannica

    www.britannica.com/science/eckermannite Other articles where Eckermannite is discussed: arfvedsonite: …in the structure to form eckermannite. Both minerals characteristically occur as dark-green crystals in alkali igneous rocks and their associated pegmatites. For chemical formula and detailed physical properties, see amphibole (table).
  • Eckermannite dictionary definition | eckermannite defined

    www.yourdictionary.com/eckermannite eckermannite definition: Noun 1. (mineralogy) A monoclinic-prismatic blue green mineral containing aluminum, hydrogen, magnesium, oxygen, silicon, and sodium.Origin -ite...
  • eckermannite - Wiktionary

    en.wiktionary.org/wiki/eckermannite eckermannite A monoclinic-prismatic blue green mineral containing aluminum, hydrogen, magnesium, oxygen, silicon, and sodium. References “Eckermannite” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
  • What does eckermannite mean? - definitions

    www.definitions.net/definition/eckermannite Definition of eckermannite in the Definitions.net dictionary. Meaning of eckermannite. What does eckermannite mean? Information and translations of eckermannite in the most comprehensive dictionary definitions resource on the web.
  • Eckermannite Mineral Specimen For Sale

    www.dakotamatrix.com/products/12003/eckermannite Eckermannite - A pitch black platy sodium amphibole with tightly packed crystals to 1cm. Eckermannite is an uncommon member fot the amphibole group. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.