Lightning Ridge opal with orange, gold, green and red cut oval with medium cabochon for jewelry, art or collection. (.2540 x .2060 x .1410 in. , .65 ct.)
Back of Lightning Ridge opal with orange, gold, green and red cut oval with medium cabochon for jewelry, art or collection. (.2540 x .2060 x .1410 in. , .65 ct.)

Smoky Lightning Ridge Opal, .65 ct.

$82.31

Orange, yellow, green and red await discovery in this oval cut opal gemstone with medium cabochon for custom jewelry, art and collections. (.2540 x .2060 x .1410 in. , .65 ct.)

SKU: BOD-1-7 Categories: , Tags: ,

Description

Lightning Ridge is a center of the mining of black opal.

Variety: Natural Dark Opal Type 1
Body Tone: Dark N6 (12)
Brightness: Slightly Dull
Transparency: Translucent
Colour: Red-Orange
Hue: Normal Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 2 Angles
Distribution: 40 – 49%
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: .65 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

Dark opals are a great choice if you don’t have a black opal budget.

View more dark opals.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Red, Orange, Green
Shape

Oval

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