Orishchinite
A valid IMA mineral species
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Formula:
Ni2P
Colour:
Yellowish-white
Lustre:
Metallic
Specific Gravity:
7.695 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honor of Stepan Vasil’ovich Orishchin who was a Soviet and Ukrainian crystal chemist who made extensive contributions to the chemistry of phosphides, arsenides, and silicides.
Dimorph of:
Ni-dominant analogue of allabogdanite.
Unique Identifiers
Mindat ID:
53871
Long-form identifier:
mindat:1:1:53871:2
GUID
(UUID V4):
(UUID V4):
1c1b0f23-cc3c-47bd-93e2-8f308b92a7f5
IMA Classification of Orishchinite
Classification of Orishchinite
1.BD.
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
D : Phosphides
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
D : Phosphides
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Orh | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Orishchinite
Chemistry of Orishchinite
Mindat Formula:
Ni2P
Elements listed:
Crystallography of Orishchinite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 5.8020(7) Å, b = 3.5933(4) Å, c = 6.7558(8) Å
Ratio:
a:b:c = 1.615 : 1 : 1.88
Unit Cell V:
140.85 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.265 Å | (100) |
2.201 Å | (16) |
2.142 Å | (55) |
2.100 Å | (35) |
1.909 Å | (21) |
1.860 Å | (15) |
1.811 Å | (19) |
1.796 Å | (31) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
51 : Pyrometamorphic minerals (see also #54 and #56) | <0.36 |
Type Occurrence of Orishchinite
General Appearance of Type Material:
Resorbed equant grains up to 0.2 mm outrimmed with 0.1–0.2 thick zones of substituting murashkoite.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5408/1.
Geological Setting of Type Material:
Pyrometamorphic rocks of the Daba-Siwaqa combustion complex in West Jordan.
Associated Minerals at Type Locality:
Synonyms of Orishchinite
Related Minerals - Strunz-mindat Grouping
1.BD. | Murashkoite | FeP |
1.BD. | Negevite | NiP2 |
1.BD. | Halamishite | Ni5P4 |
1.BD. | Transjordanite | Ni2P |
1.BD. | Zuktamrurite | FeP2 |
1.BD. | Nickolayite | FeMoP |
1.BD. | Grammatikopoulosite | NiVP |
1.BD.05 | Schreibersite | (Fe,Ni)3P |
1.BD.05 | Nickelphosphide | (Ni,Fe)3P |
1.BD.10 | Barringerite | (Fe,Ni)2P |
1.BD.10 | Monipite | MoNiP |
1.BD.15 | Florenskyite | FeTiP |
1.BD.15 | Allabogdanite | (Fe,Ni)2P |
1.BD.15 | Andreyivanovite | FeCrP |
1.BD.20 | Melliniite | (Ni,Fe)4P |
1.BD.35 | Nazarovite | Ni12P5 |
1.BD.45 | Polekhovskyite | MoNiP2 |
1.BD.50 | Tsikourasite | Mo3Ni2P1+x |
1.BD.60 | Badengzhuite | TiP |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Orishchinite
mindat.org URL:
https://www.mindat.org/min-53871.html
Please feel free to link to this page.
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External Links:
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References for Orishchinite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 51. European Journal of Mineralogy, 31 (5-6) 1099-1104 doi:10.1127/ejm/2019/0031-2894
Britvin, Sergey N., Murashko, Mikhail N., Vapnik, Yevgeny, Zaitsev, Anatoly N., Shilovskikh, Vladimir V., Krzhizhanovskaya, Maria G., Gorelova, Liudmila A., Vereshchagin, Oleg S., Vasilev, Evgeny A., Vlasenko, Natalia S. (2022) Orishchinite, a new terrestrial phosphide, the Ni-dominant analogue of allabogdanite. Mineralogy and Petrology, 116 (5) 369-378 doi:10.1007/s00710-022-00787-x
Localities for Orishchinite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Jordan (TL) | |
| Miyawaki et al. (2019) +1 other reference |
Galuskin et al. (2023) | |
Britvin et al. (2022) +1 other reference |