Crystal opal with rolling flash pattern of gold, green and purple. Oval cut with a medium cabochon for jewelry, art or collection (.2020 x .1735 x .1250 in., .4 ct.).
Back of crystal opal with rolling flash pattern of gold, green and purple. Oval cut with a medium cabochon for jewelry, art or collection (.2020 x .1735 x .1250 in., .4 ct.).

Cheery Crystal Opal, .4 ct.

$292.78

Crystal opal with rolling flash pattern of gold, green and purple. Oval cut with a medium cabochon for jewelry, art or collection (.2020 x .1735 x .1250 in., .4 ct.).

SKU: BOD-2-20 Categories: , Tags: ,

Description

Crystal opal is usually all play of color due to no or very little potch. This gives it the ultimate 3D color-on-color effect.

Variety: Natural Light Opal Type 1
Body Tone: Light N8 (17)
Brightness: Bright
Transparency: Transparent
Colour: Orange-Green
Hue: Normal Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Good from All Angles
Distribution: Over 80%
Inclusions: 10% 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: .40 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 is a semi-transparent type of opal, meaning when held up to a light source, distorted images and light can be seen through the gemstone.

View more crystal opal.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Gold, Green, Purple
Shape

Oval

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