Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Redledgeite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ba(Ti64+Cr23+)O16
Formerly defined as Bax([Cr,Fe,V]3+2xTi8-2x)O16.
System:
Tetragonal
Colour:
Green, yellow, black
Hardness:
6 - 7
Name:
Named after its discovery locality.

Classification of Redledgeite

Approved
4.DK.05b

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
K : With large (+- medium-sized) cations; tunnel structures
7.9.5.2

7 : MULTIPLE OXIDES
9 : AB8X16
7.14.8

7 : Oxides and Hydroxides
14 : Oxides of Cr
mindat.org URL:
http://www.mindat.org/min-3380.html
Please feel free to link to this page.

First Recorded Occurrence of Redledgeite

Year of Discovery:
1961

Physical Properties of Redledgeite

Adamantine
Colour:
Green, yellow, black
Streak:
White, grey
Hardness (Mohs):
6 - 7

Crystallography of Redledgeite

Crystal System:
Tetragonal
Cell Parameters:
a = 20.33Å, c = 5.88Å
Ratio:
a:c = 1 : 0.289
Unit Cell Volume:
V 2,430.26 ų (Calculated from Unit Cell)

Chemical Properties of Redledgeite

Formula:
Ba(Ti64+Cr23+)O16

Formerly defined as Bax([Cr,Fe,V]3+2xTi8-2x)O16.
Essential elements:
All elements listed in formula:

Relationship of Redledgeite to other Species

Other Members of Group:
HenrymeyeriteBa(Ti74+Fe2+)O16
MannarditeBa(Ti64+V23+)O16
PrideriteK(Ti74+Fe3+)O16
4.DK.05Akaganeiteβ-Fe3+O(OH,Cl)
4.DK.05aCoronaditePb(Mn64+Mn23+)O16
4.DK.05aCryptomelaneK(Mn74+Mn3+)O16
4.DK.05aHollanditeBa(Mn64+Mn23+)O16
4.DK.05aManjiroiteNa(Mn74+Mn3+)O16
4.DK.05bMannarditeBa(Ti64+V23+)O16
4.DK.05bPrideriteK(Ti74+Fe3+)O16
4.DK.05bHenrymeyeriteBa(Ti74+Fe2+)O16
4.DK.05aStrontiomelaneSr(Mn64+Mn23+)O16
4.DK.10Romanèchite(Ba,H2O)2Mn5O10
4.DK.10Todorokite(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12 · 3H2O
7.14.1EskolaiteCr2O3
7.14.2BracewelliteCrO(OH)
7.14.3GrimaldiiteCrO(OH)
7.14.4GuyanaiteCrO(OH)
7.14.5YimengiteK(Cr,Ti,Fe,Mg)12O19
7.14.6Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
7.14.7McconnelliteCuCrO2
7.14.9HawthorneiteBa(MgTi3Cr4Fe4)O19
7.14.10ZincochromiteZnCr2O4
7.14.11Wattersite(Hg2+)2Hg2+(CrO4)O2
7.14.12ChromiteFe2+Cr23+O4
7.14.13MagnesiochromiteMg(Cr,Al,Fe)2O4

Other Names for Redledgeite

Name in Other Languages:

Other Information

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 Redledgeite

Reference List:
Gordon, Samuel G. & E.V. Shannon (1928), Chromrutile a new mineral from California: American Mineralogist: 13: 69.

Strunz, Hugo (1961), “Chromrutil” von der Red Ledge mine ist kein rutil. Redledgeite: Neues Jahrb. Mineral., Monatsh.: 107-111.

American Mineralogist (1961): 46: 1201.

Strunz, Hugo (1963), Redledgeite, eine TiO2-einlagerungestruktur analog kryptomelan: Neues. Jahrb. Mineral. Monatsh. 5: 116-119.

Canadian Mineralogist (1986): 24: 55-66.

American Mineralogist (1988): 73: 198.

Canadian Mineralogist (1997): 35: 1531-1534.

Mineralogical Magazine: 5: 709-715.

Internet Links for Redledgeite

Localities for Redledgeite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy
 
  • Lombardy
    • Sondrio Province
      • Valtellina
Lapis, 19 (10), 15-21+86.
          • Lanterna Valley
            • Lanzada
              • Mt. Motta
Bedognè, F. (2011). Microminerali della Valmalenco. Nuove segnalazioni e aggiornamenti. Rivista Mineralogica Italiana, 1/2011, 40-45
Russia
 
  • Urals Region
    • Middle Urals
      • Permskaya Oblast'
        • Gornozavodskii area
P.M. Kartashov data
USA
 
  • California
    • Nevada Co.
      • Washington District (Omega District)
        • Washington
Gordon, Samuel G. & E.V. Shannon (1928), Chromrutile a new mineral from California: American Mineralogist: 13: 69; Bradley, W.W. (1940), Thirty-sixth report of the State Mineralogist: California Division Mines Report 36: 69; Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume I, John Wiley & Sons, New York: 560; Strunz, Hugo (1961), “Chromrutil” von der Red Ledge mine ist kein rutil. Redledgeite: Neues Jahrb. Mineral., Monatsh.: 107; Strunz, Hugo (1963), Redledgeite, eine TiO2-einlagerungestruktur analog kryptomelan: Neues. Jahrb. Min. mh. 5: 116; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 174.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 25, 2015 05:26:00 Page generated: April 23, 2015 16:31:31