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Natrophosphate

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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© 2005 DM

Show Natrophosphate Photos (2)
Formula:
Na
 
7
(PO
 
4
)
 
2
F·19H
 
2
O
System:IsometricColour:White
Lustre:VitreousHardness:2½
This page provides mineralogical data about Natrophosphate.

Classification of Natrophosphate

IMA status:Approved
Strunz 8th edition ID:7/D.26-10
Nickel-Strunz 10th (pending) edition ID:8.DN.05

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
N : With only large cations
Dana 8th edition ID:42.13.9.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
Hey's CIM Ref.:22.1.3

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride
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Type Occurrence of Natrophosphate

Type Locality:Material'naya Adit, Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1972

Physical Properties of Natrophosphate

Lustre:Vitreous
Colour:White
Hardness (Mohs):2½

Crystallography of Natrophosphate

Crystal System:Isometric
Cell Parameters:a = 27.79Å
Unit Cell Volume:V 21,461.78 ų (Calculated from Unit Cell)

Optical Data of Natrophosphate

Type:Isotropic

Chemical Properties of Natrophosphate

Formula:
Na
 
7
(PO
 
4
)
 
2
F·19H
 
2
O
Essential elements:F, H, Na, O, P
All elements listed in formula:F, H, Na, O, P

Relationship of Natrophosphate to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DN.10Isoclasite
Ca
 
2
[OH|PO
 
4
] · 2H
 
2
O
8.DN.15Lermontovite
UPO
 
4
·OH·H
 
2
O
8.DN.20Vyacheslavite
UPO
 
4
(OH)·nH
 
2
O
Related Minerals - Hey's Index Grouping:

- +
22.1.1Amblygonite
LiAl[(F,OH)|PO
 
4
]
22.1.2Lacroixite
NaAl[F|PO
 
4
]
22.1.5Nacaphite
Na
 
2
Ca[F|PO
 
4
]
22.1.6Arctite
Na
 
2
Ca
 
4
(PO
 
4
)
 
3
F
22.1.7Nefedovite
Na
 
5
Ca
 
4
(PO
 
4
)
 
4
F
22.1.9Apatite-(CaF)
Ca
 
5
[F|(PO
 
4
)
 
3
]
22.1.10Herderite
CaBe[(F,OH)|PO
 
4
]
22.1.11Isokite
CaMg[F|PO
 
4
]
22.1.12Panasqueiraite
CaMg[(OH,F)|PO
 
4
]
22.1.13Babefphite
BaBe[(F,OH)|PO
 
4
]
22.1.14Fluellite
Al
 
2
[F
 
2
|OH|PO
 
4
] · 7H
 
2
O
22.1.15Minyulite
KAl
 
2
[(OH,F)|(PO
 
4
)
 
2
] · 4H
 
2
O
22.1.16Morinite
Na
 
2
Ca
 
4
Al
 
4
[(F,OH)
 
5
|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
22.1.17Bøggildite
Na
 
2
Sr
 
2
Al
 
2
PO
 
4
F
 
9
22.1.18Apatite-(SrOH)
(Sr,Ca)
 
5
(PO
 
4
)
 
3
(OH,F)
22.1.19Viitaniemiite
Na(Ca,Mn
2+
 
)Al[(F,OH)
 
3
|PO
 
4
]
22.1.20Väyrynenite
Mn
2+
 
Be[(OH,F)|PO
 
4
]
22.1.21Maxwellite
NaFe
3+
 
[F|AsO
 
4
]
22.1.22Wagnerite
(Mg,Fe
2+
 
)
 
2
[F|PO
 
4
]
22.1.23Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
[(F,OH)|PO
 
4
]
22.1.24Magniotriplite
(Mg,Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
22.1.25Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
22.1.26Mcauslanite
HFe
2+
3
Al
 
2
[F|(PO
 
4
)
 
4
] · 18H
 
2
O
22.1.27Richellite
Ca
 
3
Fe
3+
10
[(OH,F)
 
3
|(PO
 
4
)
 
2
]
 
4
 · nH
 
2
O (not confirmed)
22.1.28Svabite
Ca
 
5
[(F,Cl,OH)|(AsO
 
4
)
 
3
]
22.1.29Tilasite
CaMg[F|AsO
 
4
]
22.1.30Fermorite
(Ca,Sr)
 
5
(AsO
 
4
,PO
 
4
)
 
3
(OH)
22.1.31Durangite
NaAl[F|AsO
 
4
]

Other Names for Natrophosphate

Synonyms:
IMA1971-041
Other Languages:
German:Natrophosphat
Russian:Натрофосфат

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 Natrophosphate

Reference List:American Mineralogist (1973): 58: 139.

American Mineralogist (1981): 66: 879, 1281.

Soviet Physics – Crystallography: 37: 844-845.

Internet Links for Natrophosphate

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    Localities for Natrophosphate

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