• Rockbridgeite: Mineral information, data and localities.

    www.mindat.org/min-3433.html Rockbridgeite Group. Frondelite-Rockbridgeite Series. The Fe2+-analogue of frondelite and plimerite. A secondary mineral resulting from the alteration ...
  • Rockbridgeite Mineral Data

    webmineral.com/data/Rockbridgeite.shtml PE Rockbridgeite = 13.47 barns/electron U=PE Rockbridgeite x rElectron Density= 44.52 barns/cc. Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rockbridgeite is Not Radioactive
  • Rockbridgeite | Definition of Rockbridgeite by Merriam-Webster

    www.merriam-webster.com/dictionary/rockbridgeite Rockbridgeite definition is - a mineral (FeIIFe4III(PO4)3(OH)5) consisting of a basic phosphate of iron isomorphous with frondelite.
  • ROCKBRIDGEITE (Iron Manganese Phosphate Hydroxide)

    www.galleries.com/Rockbridgeite Rockbridgeite forms a series with the mineral frondelite. A series occurs when two or more elements can freely substitute for each other without significant alteration of the structure. In this case, rockbridgeite is a ferrous iron rich mineral and frondelite is the manganese rich member of the series.
  • Rockbridgeite mineral information and data

    www.dakotamatrix.com/mineralpedia/7029/rockbridgeite Rockbridgeite is a widespread and sometimes locally abundant in localities including several localities in the United States like right here in the Black Hills at the Tip Top, Bull Moose, and Etta mines in South Dakota, Brazil, Argentina, Portugal, France, Germany, Australia, Namibia, Zimbabwe, and Morocco.
  • Rockbridgeite | Article about rockbridgeite by The Free ...

    encyclopedia2.thefreedictionary.com/rockbridgeite The Kempton brothers beryl pegmatite, south of Pyramid Hill, is the type locality for clinobisvanite, where it was found with beryl, ferrocolumbite, triphylite, rockbridgeite and uranpyrochlore.
  • Rockbridgeite Mineral Specimen For Sale - dakotamatrix.com

    www.dakotamatrix.com/products/22280/rockbridgeite Rockbridgeite - Black compact fibrous Rockbridgeite in the perimeter. The middle? Is anybody's guess! . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • ARKANSAS PHOSPHATES: WAVELLITE, VARISCITE, CACOXINITE ...

    csmsgeologypost.blogspot.com/.../arkansas-phosphates-wavellite-variscite.html Rockbridgeite then drops the aluminum but picks up the iron---both ferrous and ferric. As with the other phosphates described here, rockbridgeite is a secondary mineral resulting from oxidation of other phosphate minerals and iron. The mineral has a botryoidal habit like other phosphates, and is similar to botryoidal limonite.
  • rockbridgeite group approved and a new member ...

    pubs.geoscienceworld.org/.../the-rockbridgeite-group-approved-and-a-new-member The rockbridgeite group has been officially established by the IMA Commission on New Minerals, Nomenclature and Classification. The general formula is based on the structure and is A 2 B 3 (PO 4) 3 (OH, ...
  • Category:Rockbridgeite - Wikimedia Commons

    commons.wikimedia.org/wiki/Category:Rockbridgeite Media in category "Rockbridgeite" The following 18 files are in this category, out of 18 total.