Perettiite-(Y)

Perettiite-(Y)

Perettiite inclusion in phenakite
General
Category Silicate mineral
Formula
(repeating unit)
Y2Mn4FeSi2B8O24
Crystal symmetry Orthorhombic
Unit cell a = 12.8252(5) Å, b = 4.6187(2) Å, c = 12.8252(5) Å
Identification
Crystal habit Microscopic inclusion
Crystal system Orthorhombic
Cleavage (010)
Mohs scale hardness 7
Specific gravity 4.533
References [1][2]

Perettiite-(Y) is a complex silicateborate mineral with the formula Y2Mn4FeSi2B8O24.[1] It was first discovered in 2015 by Adolf Peretti of the Gemresearch Swisslab (GRS). It was found as inclusions within a phenakite crystal from Mogok. Myanmar.[3]

Perettiite-(Y) was approved for IMA (International Mineralogical Association) status in 2015.

Perettiite inclusion withi a phenakite chrystal

References

  1. 1 2 Perettiite on Mindat.org
  2. 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. doi:10.1127/ejm/2015/0027-2483.
  3. GRS - Perettiite – A New Mineral Discovery From Burma
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