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Goryainovite

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Formula:
Ca2(PO4)Cl
Colour:
Colorless
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.98 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honour of Prof. Pavel Mikhailovich Goryainov (Павла Михайлович Горяинов) (b. 1937), Geological Institute of Kola Science Centre, for his contribution to the knowledge of the geology and petrology of banded iron formation of the north-eastern part of the Fennoscandian Shield.
Synthetic analogue known. A new halophosphate, the chlorine analogue of "spodiosite" (Ca2(PO4)F).
Chemically related to chlorapatite.


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Classification of GoryainoviteHide

IMA status:
Approved
Approval Year:
2016
First Published:
2017

Physical Properties of GoryainoviteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Hardness:
4 on Mohs scale
Comment:
about 4
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
2.98 g/cm3 (Calculated)

Optical Data of GoryainoviteHide

Type:
Biaxial (-)
Comments:
colourless in transmitted light

Chemical Properties of GoryainoviteHide

Formula:
Ca2(PO4)Cl
Elements listed:
Ca, Cl, O, P - search for minerals with similar chemistry

Crystallography of GoryainoviteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbcm
Setting:
Pbcm
Cell Parameters:
a = 6.215(2) Å, b = 7.011(2) Å, c = 10.788(3) Å
Ratio:
a:b:c = 0.886 : 1 : 1.539
Unit Cell V:
470 ų
Z:
8

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.845Å(90)
2.746Å(100)
2.333Å(25)
2.028Å(15)
1.957Å(30)
1.837Å(20)
1.756Å(15)
1.373Å(15)

Type Occurrence of GoryainoviteHide

Type Locality:
ⓘ Stora Sahavaara, Sahavaara, Pajala, Norrbotten County, Sweden
General Appearance of Type Material:
As rounded inclusions in magnetite (up to 20 μm in diameter)
Place of Conservation of Type Material:
Collections of the Mineralogical Museum of the St. Petersburg State University, Russia (catalogue no. 19650)
Geological Setting of Type Material:
A magnetite-serpentine rock in iron ore deposit
Associated Minerals at Type Locality:
ValleriiteThorianitePyrrhotitePyriteMagnetite
HydroxylapatiteChlorapatiteChalcopyrite

Synonyms of GoryainoviteHide

Other InformationHide

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

References for GoryainoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ivanyuk, G.Y., Yakovenchuk, V.N., Pakhomovsky, Y.A., Panikorovskii, T.L., Konoplyova, N.G., Bazai, A.V., Bocharov, V.N., Antonov, A.A., Selivanova, E.A. (2016) Goryainovite, IMA 2015-090. CNMNC Newsletter No. 29, February 2016, 202; Mineralogical Magazine: 80: 199–205.
Ivanyuk, G. I., Yakovenchuk, V. N., Pakhomovsky, Y. A., Panikorovskii, T.L., Konoplyova, N. G., Bazai, A.V., Bocharov, V.N. , Antonov, A.A. and Selivanova, S. E. (2017) Goryainovite, Ca2PO4Cl, a new mineral from the Stora Sahavaara iron ore deposit (Norrbotten, Sweden). GFF: 139: 75-82.

Internet Links for GoryainoviteHide

Localities for GoryainoviteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Sweden (TL)
 
  • Norrbotten County
    • Pajala
      • Sahavaara
Ivanyuk, G.Y., Yakovenchuk, V.N., Pakhomovsky, Y.A., Panikorovskii, T.L., Konoplyova, N.G., Bazai, A.V., Bocharov, V.N., Antonov, A.A., Selivanova, E.A. (2016) Goryainovite, IMA 2015-090. CNMNC Newsletter No. 29, February 2016, 202; Mineralogical Magazine: 80: 199–205. Gregory Y. Ivanyuk, Victor N. Yakovenchuk, Yakov A. Pakhomovsky, Taras L. Panikorovskii, Nataliya G. Konoplyova, Ayya V. Bazai, Vladimir N. Bocharov, Andrei A. Antonov & Ekaterina A. Selivanova (2017) Goryainovite, Ca2PO4Cl, a new mineral from the Stora Sahavaara iron ore deposit (Norrbotten, Sweden), GFF, 139:1, 75-82, DOI:10.1080/11035897.2016.1227363
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