SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Ferristilpnomelane

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About FerristilpnomelaneHide

Formula:
K(Fe3+,Mg,Fe2+)8(Si,Al)12(O,OH)27
Colour:
Greenish brown to dark greenish brown or black
Lustre:
Sub-Vitreous, Greasy
Hardness:
3 - 3½
Name:
Informally named in 1951 by Alexander N. Winchell for a slightly ferrian stilpnomelane, but sometimes mistaken as an attempt to rename ferric-dominant stilpnomelane (chalcodite).
A variety of Stilpnomelane


Physical Properties of FerristilpnomelaneHide

Sub-Vitreous, Greasy
Transparency:
Transparent, Translucent
Colour:
Greenish brown to dark greenish brown or black
Streak:
Dark greenish brown
Hardness:
3 - 3½ on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
{001}
Fracture:
Micaceous

Chemical Properties of FerristilpnomelaneHide

Formula:
K(Fe3+,Mg,Fe2+)8(Si,Al)12(O,OH)27

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Ferristilpnomelane associated with Ferriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
1 photo of Ferristilpnomelane associated with Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for FerristilpnomelaneHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Winchell, Alexander N., 1951, Optical Mineralogy, fourth edition, part 2, p. 390.

Internet Links for FerristilpnomelaneHide

Localities for FerristilpnomelaneHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Tajikistan
 
  • Districts of Republican Subordination
V.A. Karpenko data
USA
 
  • California
    • Mendocino Co.
      • Coastal Range
        • Laytonville
Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 506; Rice, S.J. (1966) A new mineral locality. California Division of Mines and Geology Mineral Information Service: 19: 7; Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 242; Pemberton, H. Earl (1983), Minerals of California: 432.
  • Colorado
    • La Plata Co.
      • Durango Area
Minerals of Colorado (1997) E.B. Eckel
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
Dunn(1995):Pt4:472.
Oen, et al. (1984) The Nickel-arsenide Assemblage from Franklin, New Jersey: Description and Interpretation, Neues Jahrbuch fuer Mineralogie Abhandlungen, v. 150, p. 259-272.
  • New York
    • Jefferson Co.
      • Antwerp
Mineralogical Record: 15(4): 199-216.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 15, 2019 22:33:43 Page generated: September 10, 2019 09:02:59
Go to top of page