Category Silicate mineral Crystal system Orthorhombic | Formula(repeating unit) Y2Mn4FeSi2B8O24 Space group Pmna | |
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Crystal class Dipyramidal (mmm)H-M symbol: (2/m 2/m 2/m) Unit cell a = 12.8252(5) Å, b = 4.6187(2) Å, c = 12.8252(5) Å; Z = 2 | ||
Perettiite-(Y) is a complex silicate–borate mineral with the formula Y2Mn4FeSi2B8O24. 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.
Perettiite-(Y) was approved for IMA (International Mineralogical Association) status in 2015.
References
Perettiite-(Y) Wikipedia(Text) CC BY-SA