Stellar Crystal Opal, .66 ct.

$292.15

Crystal opal with orange, green and blue. This gemstone is cut oval with a medium cabochon for jewelry, art or collection (.2920 x .1910 x .1255 in., .66 ct.).

SKU: BOD-2-37 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 (15)
Brightness: Slightly Bright
Transparency: Transparent
Colour: Green-Orange
Hue: Normal Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 1 Angle
Distribution: 60 – 69%
Inclusions: 5% 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: .66 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 opal.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Shape

Oval