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Lithiophosphate

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Big Photo

Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USA
© 2005 JBS

Show Lithiophosphate Photos (2)



Formula:
Li
 
3
PO
 
4
System:OrthorhombicColour:White, light pink, ...
Lustre:VitreousHardness:4
This page provides mineralogical data about Lithiophosphate.

Classification of Lithiophosphate

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/A.01-20
Nickel-Strunz 10th (pending) edition ID:8.AA.20

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
A : With small cations (some also with larger ones)
Dana 8th edition ID:38.4.10.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
Hey's CIM Ref.:19.1.1

19 : Phosphates
1 : Phosphates of the alkali metals
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Type Occurrence of Lithiophosphate

Type Locality:Okhmyl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1957

Physical Properties of Lithiophosphate

Lustre:Vitreous
Colour:White, light pink, colourless
Streak:White
Hardness (Mohs):4
Cleavage:Perfect

Crystallography of Lithiophosphate

Crystal System:Orthorhombic
Cell Parameters:a = 6.11Å, b = 5.23Å, c = 4.84Å
Ratio:a:b:c = 1.168 : 1 : 0.925
Unit Cell Volume:V 154.66 ų (Calculated from Unit Cell)

Optical Data of Lithiophosphate

Type:Biaxial (+)
RI values: nα = 1.550 - 1.553 nβ = 1.557 - 1.558 nγ = 1.566 - 1.567
2V:Measured: 69° to 80°, Calculated: 74° to 84°
Maximum Birefringence:δ = 0.016

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r > v weak

Chemical Properties of Lithiophosphate

Formula:
Li
 
3
PO
 
4
Essential elements:Li, O, P
All elements listed in formula:Li, O, P

Relationship of Lithiophosphate to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AA.05Alarsite
AlAsO
 
4
8.AA.05Berlinite
AlPO
 
4
8.AA.05Rodolicoite
Fe
3+
 
PO
 
4
8.AA.10Beryllonite
NaBePO
 
4
8.AA.15Hurlbutite
CaBe
 
2
(PO
 
4
)
 
2
8.AA.25Nalipoite
NaLi
 
2
PO
 
4
8.AA.30Olympite
Na
 
5
Li(PO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:

- +
19.1.2Olympite
Na
 
5
Li(PO
 
4
)
 
2
19.1.3Nahpoite
Na
 
2
HPO
 
4
19.1.4Dorfmanite
Na
 
2
HPO
 
4
 · 2H
 
2
O
19.1.5Nalipoite
NaLi
 
2
PO
 
4
19.1.6Stercorite
Na(NH
 
4
)HPO
 
4
 · 4H
 
2
O
19.1.7Archerite
(K,NH
 
4
)(H
 
2
PO
 
4
)
19.1.8Biphosphammite
(NH
 
4
,K)(H
 
2
PO
 
4
)
19.1.9Phosphammite
(NH
 
4
)
 
2
(HPO
 
4
)
19.1.10Lithiophilite
LiMn
2+
 
PO
 
4
19.1.11Sicklerite
(LiMn
2+
 
,Fe
3+
 
)PO
 
4
19.1.12Ferrisicklerite
(Fe
3+
 
,LiMn
2+
 
)PO
 
4
19.1.13Triphylite
LiFe
2+
 
PO
 
4
19.1.14Tavorite
LiFe
3+
 
(PO
 
4
)(OH)
19.1.15Marićite
NaFe
2+
 
(PO
 
4
)

Other Names for Lithiophosphate

Other Languages:
German:Lithiophosphatit
Russian:Литиофосфат

Other Information

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

References for Lithiophosphate

Reference List:

- +
American Mineralogist (1957): 42: 585.

Doklady Akademii Nauk SSSR: 112(1): 124-126.

Crystallography Reports: 39(1): 35-41.

Soviet Physics – Doklady (1978): 23: 287.

Internet Links for Lithiophosphate

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Lithiophosphate details from Handbook of Mineralogy (PDF)
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  • Find Lithiophosphate on www.crystalclassics.co.uk
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    • Localities for Lithiophosphate

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    Brazil
     
    • Minas Gerais
      • Jequitinhonha valley
        • Itinga
          • Taquaral
            • Piauí valley
    		Donald Doell Collection
    Canada
     
    • Manitoba
      • Lac-du-Bonnet area
        • Bernic Lake
    		Tschernich, R. (1992): Zeolites of the World, p.51
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Voron'i Tundry
    		DAN-SSSR (1957) 112, 124-126; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
    		Jan H.Bernard and Jaroslav Hyrsl,2004, Minerals and their Localities, pg # 357; Am Min 54 (1969), 1467-1469; Rocks and Minerals, (1985) 60:76-82; Carolina Geological Society Field Trip Guidebook 1981, 39-48
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    		Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
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