Adorable Crystal Opal, .38 ct.

$346.75

Crystal opal with orange, gold, green and purple. Round cut with a medium cabochon for jewelry, art or collection (.1720 x .1635 x .1375, in., .38 ct.).

SKU: BOD-2-19 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: Orange-Green
Hue: Normal Tones
Outline: square, Round, Oblong
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 1 Angle
Distribution: Over 80%
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: .38 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
Color

Orange, Gold, Green, Purple

Shape

Triangle