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Mineral : Opal
Cut : Cabochon
Dimensions : (8.08×6.99×3.75) mm
Clarity : Opaque
Weight : (1.455±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The diffraction effect is perceived occasionally. -
Mineral : Opal
Cut : Cabochon/Pear
Dimensions : (16.25×12.15×7.31) mm
Clarity : Opaque
Weight : (8.705±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The underside and the back of the stone do not contain enough silica nodule to produce any diffraction effect. -
Mineral : Opal
Cut : Cabochon
Dimensions : (10.94×8.49×4.86) mm
Clarity : Transparent
Weight : (2.260±0.005) ct
Treatment : None
Origin : Ethiopia
Information : A light brown line inclusion is visible on the side of the stone. -
Mineral : Opal
Cut : Cabochon/Pear
Dimensions : (14.21×8.45×5.85) mm
Clarity : Semi-transparent
Weight : (4.120±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The patterns of this opal are lightly hidden by parts having no silica nodules that can produce diffraction. -
Mineral : Opal
Cut : Cabochon/Trillion
Dimensions : (9.08×9.22×4.58) mm
Clarity : Semi-transparent
Weight : (1.720±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The opal has two pattern types. The first on top has a straw pattern and the second has a flash type pattern. -
Mineral : Opal
Cut : Ovale
Dimensions : (7.24×5.41×3.33) mm
Clarity : Semi-transparent
Weight : (0.510±0.005) ct
Treatment : None
Origin : Ethiopia
Information : – -
Mineral : Opal
Cut : Cabochon/Pear
Dimensions : (10.46×7.84×4.90) mm
Clarity : Opaque
Weight : (2.050±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The stone has a crack in its center. An unpolished sandy residue is also visible on the side of the stone. -
Mineral : Opal
Cut : Cabochon/Pear
Dimensions : (11.85×13.62×6.48) mm
Clarity : Semi-transparent
Weight : (4.425±0.005) ct
Treatment : None
Origin : Ethiopia
Information: The stone has a very light inclusion on the end of its base. A light yellowish color is also visible on the stone. This coloration can be the result of various inclusions. -
Mineral : Opal
Cut : Cabochon/Pear
Dimensions : (12.56×9.78×6.08) mm
Clarity : Transparent
Weight : (3.29±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The stone has a crack from the center to the domed end. A light yellowish color, perhaps caused by various inclusions when forming, covers the periphery at one side. -
Mineral : Opal
Cut : Cabochon
Dimensions : (9.61×7.82×5.71) mm
Clarity : Transparent
Weight : (1.960±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The stone has a very light inclusion on the end of its base. -
Mineral : Opal
Cut : Cabochon/Marquise
Dimensions : (15.55×8.89×5.80) mm
Clarity : Opaque
Weight : (3.080±0.005) ct
Treatment : None
Origin : Ethiopia
Information : The stone has two cracks on its base. Their color can be caused by various inclusions during formation. -
Mineral : Opal
Cut : Cabochon
Dimensions : (10.07×7.43×5.02) mm
Clarity : Semi-opaque
Weight : (1.720±0.005) ct
Treatment : Aucun
Origin : Ethiopia
Information : The stone has a light impurity like a dot at its base.