1 pcs 白色蛋白石 - 11.58 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species .............................................................................................................. Natural Opal Variety ............................................................................................................... Crystal Opal DESCRIPTION Shape & Cutting Style ...................................................... Modified Oval, Mixed Cut Measurements .................................................................. 20.36 x 13.12 x 10.60 mm Carat Weight ................................................................................................... 11.58 Carat Color ................................................................................ White + Play of Colors (Vivid) Transparency ................................................................................................... Translucent ADDITIONAL GRADING CHARACTERISTICS Color Quality Grade .......................................................................... Fine Color Quality Optical Effect .................................................................................................. Opaliscence Origin .......................................................................................................................... Ethiopia Origin determination is an expert opinion based on microscopic examination, spectroscopic features and chemical trace element analysis. COMMENTS No indications of treatment. 20 July, 2025 73252788

編號 100213111

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1 pcs 白色蛋白石 - 11.58 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ...................................................... Modified Oval, Mixed Cut
Measurements .................................................................. 20.36 x 13.12 x 10.60 mm
Carat Weight ................................................................................................... 11.58 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ................................................................................................... Translucent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Optical Effect .................................................................................................. Opaliscence
Origin .......................................................................................................................... Ethiopia
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
COMMENTS
No indications of treatment.
20 July, 2025
73252788