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Meniaylovite

Formula:
Ca
 
4
[F|SO
 
4
|SiF
 
6
|AlF
 
6
] · 12H
 
2
O
System:IsometricColour:White to yellowish
This page provides mineralogical data about Meniaylovite.

Classification of Meniaylovite

IMA status:Approved 2002
Strunz 8th edition ID:3/C.01-45
Nickel-Strunz 10th (pending) edition ID:3.CG.10

3 : HALIDES
C : Complex halides
G : Aluminofluorides with CO3, SO4, PO4
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Type Occurrence of Meniaylovite

Co-type Localities:First scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia

Physical Properties of Meniaylovite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:White to yellowish

Crystallography of Meniaylovite

Crystal System:Isometric
Class (H-M):m3 (2/m 3) - Diploidal
Space Group:Fd3 (F2/d 3)
Cell Parameters:a = 16.722Å
Unit Cell Volume:V 4,675.89 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
9.63(100)
5.91(46)
5.04(27)
4.17(19)
3.219(32)
2.235(28)

Optical Data of Meniaylovite

Type:Isotropic
RI values: n = 1.43
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Moderate
Type:Isotropic

Chemical Properties of Meniaylovite

Formula:
Ca
 
4
[F|SO
 
4
|SiF
 
6
|AlF
 
6
] · 12H
 
2
O
All elements listed in formula:Al, Ca, F, H, O, S, Si

Relationship of Meniaylovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.CG.05Stenonite
(Sr,Ba,Na)
 
2
AlCO
 
3
F
 
5
3.CG.10Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
3.CG.10Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
3.CG.10Chukhrovite-(Nd)
Ca
 
3
(Nd,Y)Al
 
2
(SO
 
4
)F
 
13
·12H
 
2
O
3.CG.15Creedite
Ca
 
3
[SO
 
4
|Al
 
2
F
 
8
(OH)
 
2
] · 2H
 
2
O
3.CG.20Bøggildite
Na
 
2
Sr
 
2
Al
 
2
PO
 
4
F
 
9
3.CG.25Thermessaite
K
 
2
[AlF
 
3
|SO
 
4
]

Other Names for Meniaylovite

Synonyms:
IMA2002-050Menyailovite
Other Languages:
Russian:Меняйловит

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 Meniaylovite

Reference List:• Vergasova, L.P., Semyonova, T.F., Epifanova, V.B., Filatov, S.K., Chubarov, V.M. (2004): Meniaylovite, Ca4AlSi(SO4)F13·12H2O, a new mineral of volcanic exhalations. Vulkanologiya i Seismologiya, 2, 3-5.
Mathew, M., Takagi, S., Waerstad, K.R., Frazier, A.W. (1981): The crystal structure of synthetic chukhrovite, Ca4AlSi(SO4)F13·12H2O. American Mineralogist, 66, 392-397.

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    Localities for Meniaylovite

    (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
     
    • Far-Eastern Region
      • Kamchatka Oblast'
        • Tolbachik volcano
          • Great Fissure (Main Fracture) eruption
            • Northern Breakthrough (North Breach)
    		I,V, Pekov (2007) New minerals from former Soviet Union countries 1998-2006, - Miner. Almanac, v.11, p.34.
    I,V, Pekov (2007) New minerals from former Soviet Union countries 1998-2006, - Miner. Almanac, v.11, p. 34-35.
    Mineral and/or Locality
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