Pezzotaite Valuation Report 139246
Report ID:139246
Created by: 1
Gemstone variety: Pezzotaite
Weight: 3.22
Color: 208 - medium light strongly purplish Red; strong
Clarity: SI2, Slightly included 2
Cut quality: Good
Shape: Oval
Measurements, mm.: 11.0 x 7.3 x 5.5
Specific gravity, g/cm3.: 3.04
Treatment: None
Origin (if known): Afganistan
Description and comments: Pezzottaite, marketed under the name raspberyl or raspberry beryl, is a newly identified mineral species, first recognized by the International Mineralogical Association in September 2003. Pezzottaite is a caesium analogue of beryl, a silicate of caesium, beryllium, lithium and aluminium, with the chemical formula Cs(Be2Li)Al2Si6O18. Named after Italian geologist and mineralogist Federico Pezzotta, pezzottaite was first thought to be either red beryl or a new variety of beryl ("caesium beryl"); unlike actual beryl, however, pezzottaite contains lithium and crystallizes in the trigonal crystal system rather than the hexagonal system
Valuation date: 23 Nov 2024
Market price estimate: USD 3874.47
Report Status: Public
Permanent web location: https://gemval.com/valuation/pezzotaite/?id=139246
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