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Fivegite

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Tsentral'nyi mine (Centralnyi Mine; Central Mine), Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

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Formula:
K
 
4
Ca
 
2
[AlSi
 
7
O
 
17
(O
 
2-x
OH
 
x
)][(H
 
2
O)
 
2-x
OH
 
x
]Cl
System:Orthorhombic
Name:Named for Russian geologist and mine engineer Mikhail Pavlovich Fiveg (1899-1986), specialist in nonmetallic mineral deposits, especially apatite, who lead the first prospecting team for apatite in the Khibiny massif (1928-1933).


Related to rhodesite.

Classification of Fivegite

IMA status:Approved 2009
mindat.org URL:http://www.mindat.org/min-39711.html
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Type Occurrence of Fivegite

Type Locality:Tsentral'nyi mine (Centralnyi Mine; Central Mine), Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Crystallography of Fivegite

Crystal System:Orthorhombic
Cell Parameters:a = 24.335(2) Å, b = 7.0375(5) Å, c = 6.5400(6) Å
Ratio:a:b:c = 3.458 : 1 : 0.929
Unit Cell Volume:V 1,120.02 ų (Calculated from Unit Cell)
Comment:Pm21n
X-Ray Powder Diffraction:
d-spacingIntensity
3.517 (38)
3.072 (100)
3.040 (46)
2.943 (47)
2.893 (53)
2.880 (41)
2.759 (25)
1.759 (30)

Chemical Properties of Fivegite

Formula:
K
 
4
Ca
 
2
[AlSi
 
7
O
 
17
(O
 
2-x
OH
 
x
)][(H
 
2
O)
 
2-x
OH
 
x
]Cl
Essential elements:Al, Ca, Cl, H, K, O, Si
All elements listed in formula:Al, Ca, Cl, H, K, O, Si

Other Names for Fivegite

Synonyms:
IMA2009-067
Other Languages:

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 Fivegite

Reference List:

- +
Pekov I.V., Zubkova N.V., Chukanov N.V., Zadov A.E., Pushcharovsky D.Yu.: Fivegite, K4Ca2[AlSi7O17(O2-xOHx)][(H2O)2-xOHx]Cl, a new mineral from the Khibiny alkaline complex, Kola Peninsula, Russia , Zapiski RMO (in press).

Internet Links for Fivegite

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    • Localities for Fivegite

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    (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.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Rasvumchorr Mt
    		Pekov I.V., Zubkova N.V., Chukanov N.V., Zadov A.E., Pushcharovsky D.Yu.: Fivegite, K4Ca2[AlSi7O17(O2-xOHx)][(H2O)2-xOHx]Cl, a new mineral from the Khibiny alkaline complex, Kola Peninsula, Russia // Zapiski RMO (in press).
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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