Pezzotaite Valuation Report 139246

Report ID:139246

Created by: Inspirited In Sight

Pezzotaite  Valuation Report 139246, 3.22 cts.

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: 29 Feb 2024

Market price estimate: USD 3874.47

Report Status: Public

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