Donate now to keep mindat.org alive!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 Mindat
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch 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
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Frankdicksonite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
BaF2
Colour:
Colourless
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
4.89
Crystal System:
Isometric
Name:
For mineralogist Frank W. Dickson (1922-), Professor of Geochemistry, Stanford University.
This page provides mineralogical data about Frankdicksonite.


Hide all sections | Show all sections

Classification of FrankdicksoniteHide

Approved
Approval Year:
1974
3.AB.25

3 : HALIDES
A : Simple halides, without H2O
B : M:X = 1:2
8.4.16

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
4 : Halides of the alkaline earths and Mg

Physical Properties of FrankdicksoniteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless
Streak:
White
Hardness:
Hardness:
VHN100=90 kg/mm2 - Vickers
Cleavage:
Perfect
{111}
Density:
4.89 g/cm3 (Measured)    4.885 g/cm3 (Calculated)

Optical Data of FrankdicksoniteHide

Type:
Isotropic
RI values:
n = 1.475(1)
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
Moderate

Chemical Properties of FrankdicksoniteHide

Formula:
BaF2

Crystallography of FrankdicksoniteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 6.1964(2) Å
Unit Cell V:
237.91 ų (Calculated from Unit Cell)
Z:
4

Type Occurrence of FrankdicksoniteHide

General Appearance of Type Material:
small discrete euhedral crystals ranging from 0.1 mm to 4 mm in diameter
Geological Setting of Type Material:
quartz vein
Associated Minerals at Type Locality:

Synonyms of FrankdicksoniteHide

Other Language Names for FrankdicksoniteHide

Related Minerals - Nickel-Strunz GroupingHide

3.AB.FluorocronitePbF2Iso. m3m (4/m 3 2/m) : Fm3m
3.AB.05TolbachiteCuCl2Mon.
3.AB.10CocciniteHgI2Tet.
3.AB.15SellaiteMgF2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
3.AB.20ChloromagnesiteMgCl2Hex.
3.AB.20Lawrencite(Fe2+,Ni)Cl2Trig. 3m (3 2/m) : R3m
3.AB.20ScacchiteMnCl2Trig. 3m (3 2/m) : R3m
3.AB.25FluoriteCaF2Iso. m3m (4/m 3 2/m) : Fm3m
3.AB.25StrontiofluoriteSrF2Iso. m3m (4/m 3 2/m) : Fm3m
3.AB.30Tveitite-(Y)(Y, Na)6Ca6Ca6F42Trig. 3 : R3
3.AB.35Gagarinite-(Y)NaCaYF6Hex. 6/m : P63/m
3.AB.35Gagarinite-(Ce)Na(REExCa1-x)(REEyCa1-y)F6Trig.
3.AB.35Polezhaevaite-(Ce)NaSrCeF6Hex. 6/m : P63/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.4.1SellaiteMgF2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
8.4.2NeighboriteNaMgF3Orth. mmm (2/m 2/m 2/m)
8.4.3BischofiteMgCl2 · 6H2OMon. 2/m : B2/m
8.4.4KorshunovskiteMg2Cl(OH)3 · 4H2OTric.
8.4.5CarnalliteKMgCl3 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna
8.4.6TachyhydriteCaMg2Cl6 · 12H2OTrig.
8.4.7FluoriteCaF2Iso. m3m (4/m 3 2/m) : Fm3m
8.4.8SinjariteCaCl2 · 2H2OTet.
8.4.9AntarcticiteCaCl2 · 6H2OTrig. 3 2 : P3 2 1
8.4.10ChlorocalciteKCaCl3Orth. mmm (2/m 2/m 2/m) : Pnma
8.4.11RorisiteCaFClTet.
8.4.12JarliteNa(Sr,Na)7MgAl6F32(OH,H2O)2Mon. 2/m
8.4.13CalcjarliteNa(Ca,Sr)3Al3(OH)2F14Mon.
8.4.14TikhonenkoviteSr[AlF4(OH)(H2O)]Mon. 2/m : P21/b
8.4.15AcuminiteSr[AlF4(OH)(H2O)]Mon. 2/m : B2/b
8.4.17UsoviteBa2CaMgAl2F14Mon.
8.4.18BøgvaditeNa2SrBa2Al4F20Mon. 2/m

Other InformationHide

Notes:
electron bombardment the mineral shows a strong medium-blue cathodoluminescence
Health Risks:
This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200).
Acute oral toxicity - Category 3
Acute Inhalation Toxicity - Dusts and Mists Category 4

References for FrankdicksoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Radtke A S, Brown G E (1974) Frankdicksonite, BaF2, a new mineral from Nevada. American Mineralogist 59, 885-888

Internet Links for FrankdicksoniteHide

Localities for FrankdicksoniteHide

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.
Russia
 
  • Eastern-Siberian Region
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
          • Noril'sk
            • Talnakh Cu-Ni Deposit
Sergei Sluzhenikin analytical data
USA (TL)
 
  • Nevada
    • Eureka Co.
      • Lynn District
        • Elko
Amer.Min.(1974) 59, 885-888; Min.Rec.:20:469.
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 1993-2017, 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: November 20, 2017 05:58:55 Page generated: August 25, 2017 21:19:58
Go to top of page