Perettiite-(Y) is a complex silicate–borate mineral with the formula Y2Mn4FeSi2B8O24.[3] It was first discovered in 2015 by Adolf Peretti of the Gemresearch Swisslab (GRS). It was found as inclusions in a phenakite crystal from Mogok, Myanmar.[5]
Perettiite-(Y) | |
---|---|
General | |
Category | Silicate mineral |
Formula (repeating unit) | Y2Mn4FeSi2B8O24 |
IMA symbol | Ptt-Y[1] |
Crystal system | Orthorhombic |
Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
Space group | Pmna |
Unit cell | a = 12.8252(5) Å, b = 4.6187(2) Å, c = 12.8252(5) Å; Z = 2 |
Identification | |
Crystal habit | Microscopic inclusion |
Cleavage | (010) |
Mohs scale hardness | 7 |
Specific gravity | 4.533 |
References | [2][3][4] |
Perettiite-(Y) was approved for IMA (International Mineralogical Association) status in 2015.
References
edit- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.291-320&rft.date=2021&rft_id=https://api.semanticscholar.org/CorpusID:235729616#id-name=S2CID&rft_id=info:doi/10.1180/mgm.2021.43&rft_id=info:bibcode/2021MinM...85..291W&rft.aulast=Warr&rft.aufirst=L.N.&rft_id=https://doi.org/10.1180%2Fmgm.2021.43&rfr_id=info:sid/en.wikipedia.org:Perettiite-(Y)" class="Z3988">
- ^ Mineralienatlas
- ^ a b Perettiite on Mindat.org
- ^ Rosa Micaela Danisi; Thomas Armbruster; Eugen Libowitzky; Hao A.O. Wang; Detlef Günther; Mariko Nagashima; Eric Reusser; Willy Bieri (2015). "Perettiite-(Y), Y3 2Mn2 4Fe2 [Si2B8O24], a new mineral from Momeik, Myanmar". European Journal of Mineralogy. 27 (6): 793–803. Bibcode:2015EJMin..27..793D. doi:10.1127/ejm/2015/0027-2483.793-803&rft.date=2015&rft_id=info:doi/10.1127/ejm/2015/0027-2483&rft_id=info:bibcode/2015EJMin..27..793D&rft.au=Rosa Micaela Danisi&rft.au=Thomas Armbruster&rft.au=Eugen Libowitzky&rft.au=Hao A.O. Wang&rft.au=Detlef Günther&rft.au=Mariko Nagashima&rft.au=Eric Reusser&rft.au=Willy Bieri&rft_id=http://eurjmin.geoscienceworld.org/content/early/2015/08/26/ejm.2015.0027-2483.abstract&rfr_id=info:sid/en.wikipedia.org:Perettiite-(Y)" class="Z3988">
- ^ GRS - Perettiite – A New Mineral Discovery From Burma