Nr. 100259083
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1 pcs Grøn, Gul Krysoberyl - 1.58 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Issue Date: 22 August, 2024
ALGT REPORT NUMBER: 37242939
IDENTIFICATION
Species …………………………………………………… Natural Chrysoberyl
Variety ……………………………………………………. Greenish Yellow Chrysoberyl
DESCRIPTION
Shape & Cutting Style …………………………………….. Pear, Mixed Cut
Measurements …………………………………………….. 9.51 × 6.08 × 3.23 mm
Carat Weight ……………………………………………… 1.58 Carat
Color …………………………………………………………….. Intense/Vivid Greenish Yellow
Transparency ……………………………………………… Transparent
Additional Grading Characteristics
Color Quality Grade …………………………………….. Fine Color Quality
COMMENTS
No indications of treatment.
Main Properties Of Chrysoberyl
Chemical Composition …………………………………… BeAl₂O₄
Crystal System ……………………………………………. Orthorhombic
Mohs Hardness …………………………………………… 8.5
Specific Gravity ………………………………………….. 3.50 – 3.84 g/cm³
Optical Character ………………………………………… Uniaxial-
Refractive Index ………………………………………….. 1.745 – 1.755
Birefringence ………………………………………………. 0.008 – 0.010
Nr. 100259083
Ikke længere tilgængelig
1 pcs Grøn, Gul Krysoberyl - 1.58 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Issue Date: 22 August, 2024
ALGT REPORT NUMBER: 37242939
IDENTIFICATION
Species …………………………………………………… Natural Chrysoberyl
Variety ……………………………………………………. Greenish Yellow Chrysoberyl
DESCRIPTION
Shape & Cutting Style …………………………………….. Pear, Mixed Cut
Measurements …………………………………………….. 9.51 × 6.08 × 3.23 mm
Carat Weight ……………………………………………… 1.58 Carat
Color …………………………………………………………….. Intense/Vivid Greenish Yellow
Transparency ……………………………………………… Transparent
Additional Grading Characteristics
Color Quality Grade …………………………………….. Fine Color Quality
COMMENTS
No indications of treatment.
Main Properties Of Chrysoberyl
Chemical Composition …………………………………… BeAl₂O₄
Crystal System ……………………………………………. Orthorhombic
Mohs Hardness …………………………………………… 8.5
Specific Gravity ………………………………………….. 3.50 – 3.84 g/cm³
Optical Character ………………………………………… Uniaxial-
Refractive Index ………………………………………….. 1.745 – 1.755
Birefringence ………………………………………………. 0.008 – 0.010
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