Crystal opal with green, yellow and blue rolling flash pattern cut round with a high cabochon for custom jewelry, art or collection (.1625 x .1620 x .1365 in., .35 ct.)
Back of crystal opal with green, yellow and blue rolling flash pattern cut round with a high cabochon for custom jewelry, art or collection (.1625 x .1620 x .1365 in., .35 ct.)

Dreamy Crystal Opal, .35 ct.

$82.52

Crystal opal with green, yellow and blue rolling flash pattern cut round with a high cabochon for custom jewelry, art or collection (.1625 x .1620 x .1365 in., .35 ct.)

SKU: BOD-2-7 Categories: , Tags: ,

Description

 

Crystal opals have the most play of color depth because of their glassy transparency.

Variety: Natural Light Opal Type 1
Body Tone: Light N8 (16)
Brightness: Bright
Transparency: Transparent
Colour: Green-Blue
Hue: Normal Tones
Outline: square, Round, Oblong
Profle: High Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 1 Angle
Distribution: 70 – 79%
Inclusions: Loupe Visible Only
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: .35 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 are the closest rival in value and quality to black opal.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Gold, Green, Blue
Shape

Round

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