Crystal opal from Lightning Ridge with green, yellow and blue. Cut oval with a medium cabochon, this gemstone is perfect for jewelry, art or collection (.1900 x .1655 x .0970 in., .29 ct.)
Back of crystal opal from Lightning Ridge with green, yellow and blue. Cut oval with a medium cabochon, this gemstone is perfect for jewelry, art or collection (.1900 x .1655 x .0970 in., .29 ct.)

Punchy Bright Crystal Opal, .29 ct.

$68.57

Crystal opal from Lightning Ridge with green, yellow and blue. Cut oval with a medium cabochon, this gemstone is perfect for jewelry, art or collection (.1900 x .1655 x .0970 in., .29 ct.)

SKU: BOD-2-8 Categories: ,

Description

Crystal opals are semi-transparent – distorted images and light can be seen through them.

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: Medium Cabochon
Origin: Lighting Ridge
Pattern: Mixed Pattern
Display: Good from All Angles
Distribution: Over 80%
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: .29 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 opals have the most depth when it comes to color on color or play of color because of their glassy transparency.

View more crystal opals.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Gold, Green, Blue
Shape

Oval

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