• Neotocite Mineral Data

    webmineral.com/data/Neotocite.shtml General Neotocite Information : Chemical Formula: (Mn,Fe++)SiO3•(H2O) (?) Composition: Molecular Weight = 149.26 gm Manganese 27.60 % Mn 35.64 % MnO: Iron 9.35 % Fe 12.03 % FeO: Silicon 18.82 % Si 40.25 % SiO 2: Hydrogen 1.35 % H 12.07 % H 2 O: Oxygen 42.88 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Neotocite | Definition of Neotocite by Merriam-Webster

    www.merriam-webster.com/dictionary/neotocite Neotocite definition is - a mineral consisting of a hydrous silicate of manganese and iron but having an uncertain formula.
  • Neotocite | Definition of Neotocite by Oxford Dictionary ...

    www.lexico.com/en/definition/neotocite Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From Hellenistic Greek νεότοκος newborn, recent (from ancient Greek νέος new + τόκος offspring, childbirth: see toco-) + -ite, after German Neotokit.
  • Wisconsin Geological & Natural History Survey » Neotocite

    wgnhs.wisc.edu/minerals/neotocite Description: Neotocite forms black to brown resinous masses from the alteration of manganese silicates. DODGE COUNTY: Neotocite is tentatively identified as microscopic light yellow brown grains in the oolites of the Mayville iron formation (Hawley and Beaven,1934). The iron formation is exposed in old mines and outcrops in sec. 1, 12 and 13 T.11N.
  • Neotocite - ClassicGems.net

    classicgems.net/gem_neotocite.htm Neotocite, also known as Penwithite, is similar in composition to Serpentine and is an alteration product of Bementite. It is not a scarce mineral but rarely available as a faceted gem. Neotocite is always opaque and usually a shade of liver brown.
  • Neotocite - Mindat.org

    www.mindat.org/gm/2879 The little “flower” (clearly a lasiteria) at left center spans > 1 mm. This is a stereo child photo (of a pyrite parent). The center of the “flower” is pyrite, the petals are (probably) albite. The dark brown botryoidal stuff is the neotocite. Note: hisingerite and neotocite can be visually similar. In this case, EDS showed Mn roughly ...
  • Neotocite mineral information and data

    www.dakotamatrix.com/mineralpedia/6059/neotocite Formula (Mn 2+,Fe 2+)SiO 3 ·H 2 O Crystal System No Crystals Crystal Habit Colloform, Amorphous Cleavage None, None, None Luster Resinous Color black, dark brown, liver brown
  • Neotocite - Saint-Hilaire

    www.saint-hilaire.ca/en/neotocit.htm Neotocite is an uncommon species at Mont Saint-Hilaire. It cannot be distinguished visually from hisingerite. PHYSICAL CHARACTERISTICS: Color is usually dark brown to black. Luster is resinous to greasy, rarely vitreous. Diaphaneity is translucent to opaque. Crystal System is amorphous.
  • Neotocite (Mn2+ Fe2+)SiO O(?)

    www.handbookofmineralogy.org/pdfs/neotocite.pdf Neotocite (Mn2+;Fe2+)SiO3² H2O(?) °c 20 1M i nera lD t Pub sh g, v o . Crystal Data: Amorphous to poorly crystalline. Point Group: n.d. Massive, compact. Physical ...
  • Neotocite - Photo Gallery

    www.mindat.org/gallery.php Neotocite brown caramel color F o v mm 4,5 x mm 3,5 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 35 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin