Crystal opal from Lightning Ridge with green and blue. Oval cut with a high cabochon, this deep gemstone is ideal for jewelry, art or collection (.273 x .224 x .16 in., .99 ct.).
Back of crystal opal from Lightning Ridge with green and blue. Oval cut with a high cabochon, this deep gemstone is ideal for jewelry, art or collection (.273 x .224 x .16 in., .99 ct.).

Stunning Crystal Opal, .99 ct.

$311.21

Crystal opal from Lightning Ridge with green and blue. Oval cut with a high cabochon, this deep gemstone is ideal for jewelry, art or collection (.273 x .224 x .16 in., .99 ct.).

SKU: BOD-2-4 Categories: , Tags: ,

Description

Crystal opal is the closest in value and quality to black opal.

Variety: Natural Light Opal Type 1
Body Tone: Light N8 (17)
Brightness: Bright
Transparency: Transparent
Colour: Green-Blue
Hue: Normal Tones
Outline: Oval Shape
Profle: High Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 1 Angle
Distribution: 70 – 79%
Inclusions: 1% of Face
MOHS Scale: 4.5-6.5
Polish: 2.15+0.08-0.09
R.F.I.: 1.450+0.020
Spec Gravity: 1.98 – 2.25
Carat Weight: .99 Carats
Formula: Si02nH20
Fracture: Conchoidal – Uneven
Lustre: Vitreous – Resinous
Flourescence: May phosphoresce in long /short wave
Absorption: Spectra 660nm, 470nm
Category: Mineraloid (Amorphorous)
Crystal Habit: Irregular ‘nodular’ Veins
Composition: Hydroussilicondioxide.3-21%/weight
Crystal Form: Amorphous, pseudomorph, botryoidal

Crystal opal’s glassy transparency lends it remarkable color on color depth.

View more crystal opals.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Green, Blue
Shape

Oval

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