Opal stone with purple and blue cut oval with a high cabochon for jewelry, art or collection (.2845 x .1570 x .1180 in., .56 ct.).
Back of opal stone with purple and blue cut oval with a high cabochon for jewelry, art or collection (.2845 x .1570 x .1180 in., .56 ct.).

Revealing Opal Stone, .56 ct.

$31.12

Opal stone with purple and blue cut oval with a high cabochon for jewelry, art or collection (.2845 x .1570 x .1180 in., .56 ct.).

SKU: BOD-2-40 Categories: , Tags: ,

Description

Opal stones are sometimes called the Queen of Gemstones.

Variety: Natural Light Opal Type 1
Body Tone: Light N8 (17)
Brightness: Slightly Dull
Transparency: Transparent
Colour: Blue-Green
Hue: Slightly Pale Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Mixed Pattern
Display: Weak or Blank 2 Angles
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: .56 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

Opal stones are best protected in bezel rather than claw settings.

View more crystal opal stones.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Shape

Oval

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