Lively Crystal Opal, .82 ct.

$41.71

Crisp pastels characterize this oval shaped crystal opal cut with a medium cabochon for custom jewelry, art or collections. (.3100 x .1890 x .1390 in., .82 ct.)

SKU: BOD-1-10 Categories: , Tags: ,

Description

Crystal opals are the closest rival in value and quality to black opal.

Variety: Natural Light Opal Type 1
Body Tone: Light N7 (14)
Brightness: Average
Transparency: Translucent
Colour: Green-Blue
Hue: Slightly Pale Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Regular Pattern
Display: Weak or Blank 1 Angle
Distribution: 40 – 49%
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: .82 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 tend to be all play of color with little to no potch.

View more crystal opals.

Additional information

Weight 45 g
Dimensions 9.5 × 6.5 × 1.5 in
Color

Gold, Green, Purple

Shape

Oval