Frankdicksonite
A valid IMA mineral species
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About Frankdicksonite
Formula:
BaF2
Colour:
Colourless
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
4.89
Crystal System:
Isometric
Member of:
Name:
For mineralogist Frank W. Dickson (1922-), Professor of Geochemistry, Stanford University.
Unique Identifiers
Mindat ID:
1596
Long-form identifier:
mindat:1:1:1596:3
GUID
(UUID V4):
(UUID V4):
3637870f-f3aa-4777-9574-8f2569c5845d
IMA Classification of Frankdicksonite
Classification of Frankdicksonite
3.AB.25
3 : HALIDES
A : Simple halides, without H2O
B : M:X = 1:2
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
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
4 : Halides of the alkaline earths and Mg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Fds | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Frankdicksonite
Vitreous
Transparency:
Transparent
Colour:
Colourless
Streak:
White
Hardness:
3 on Mohs scale
Hardness:
VHN100=90 kg/mm2 - Vickers
Cleavage:
Perfect
{111}
{111}
Density:
4.89 g/cm3 (Measured) 4.885 g/cm3 (Calculated)
Optical Data of Frankdicksonite
Type:
Isotropic
RI values:
n = 1.475(1)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Moderate
Chemistry of Frankdicksonite
Mindat Formula:
BaF2
Elements listed:
Crystallography of Frankdicksonite
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
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0011682 | Frankdicksonite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Fluorite structure Crystal Structures 1 239-444 | 1963 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.581 Å | (100) |
3.099 Å | (21) |
2.191 Å | (56) |
1.870 Å | (47) |
1.422 Å | (20) |
1.266 Å | (20) |
1.193 Å | (11) |
1.047 Å | (14) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
High-𝑇 alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Frankdicksonite
General Appearance of Type Material:
Small discrete euhedral crystals ranging from 0.1 mm to 4 mm in diameter.
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, number 133958.
Geological Setting of Type Material:
Quartz vein.
Associated Minerals at Type Locality:
Synonyms of Frankdicksonite
Other Language Names for Frankdicksonite
Relationship of Frankdicksonite to other Species
Member of:
Other Members of this group:
Fluorite | CaF2 | Iso. m3m (4/m 3 2/m) : Fm3m |
Fluorocronite | PbF2 | Iso. m3m (4/m 3 2/m) : Fm3m |
Strontiofluorite | SrF2 | Iso. m3m (4/m 3 2/m) : Fm3m |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Frankdicksonite associated with Paolovite | Pd2Sn |
1 photo of Frankdicksonite associated with Sobolevskite | PdBi |
1 photo of Frankdicksonite associated with Stannopalladinite | (Pd,Cu)3Sn |
Related Minerals - Strunz-mindat Grouping
3.AB. | Fluorocronite | PbF2 |
3.AB. | Manuelarossiite | PbCaAlF7 |
3.AB.05 | Tolbachite | CuCl2 |
3.AB.10 | Coccinite | HgI2 |
3.AB.15 | Sellaite | MgF2 |
3.AB.20 | Chloromagnesite | MgCl2 |
3.AB.20 | Lawrencite | (Fe2+,Ni)Cl2 |
3.AB.20 | Scacchite | MnCl2 |
3.AB.25 | Fluorite | CaF2 |
3.AB.25 | Strontiofluorite | SrF2 |
3.AB.30 | Tveitite-(Y) | (Y, Na)6Ca6Ca6(Ca,Na)F42 |
3.AB.35 | Gagarinite-(Y) | NaCaYF6 |
3.AB.35 | Gagarinite-(Ce) | Na(REExCa1-x)(REEyCa1-y)F6 |
3.AB.35 | Polezhaevaite-(Ce) | NaSrCeF6 |
3.AB.37 | Calcioaravaipaite | PbCa2AlF9 |
3.AB.85 | Cotunnite | PbCl2 |
Other Information
Notes:
Electron bombardment of the mineral results in 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
Acute oral toxicity - Category 3
Acute Inhalation Toxicity - Dusts and Mists Category 4
Internet Links for Frankdicksonite
mindat.org URL:
https://www.mindat.org/min-1596.html
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References for Frankdicksonite
Localities for Frankdicksonite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Dunkan +4 other references |
Austria | |
| Kolitsch et al. (2019) |
Russia | |
| Sergei Sluzhenikin analytical data |
USA (TL) | |
| Min.Rec.:20:469. +1 other reference |
Quick NavTopAbout FrankdicksoniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Oktyabrsky Mine, Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia