Captivating Black Opal Stone, 2.04 ct.

$892.15

Spectacular oval cut black opal with rolling flash pattern and medium cabochon for custom jewelry, art and collections. (.4350 x .2935 x .1485 in. , 2.04 ct.)

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

Description

October’s gemstone, opal is a vibrant accessory for brilliant personalities.

Variety: Natural Black Opal Type 1
Body Tone: Black N4 (8)
Brightness: Slightly Dull
Transparency: Opaque
Colour: Red-Multi
Hue: Slightly Pale Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Rolling Flash Pattern
Display: Weak or Blank 1 Angle
Distribution: 40 – 49%
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: 2.05 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

Black opal is one of the world’s rarest gemstones.

View more black opals.

 

Additional information

Weight 45 g
Dimensions 9.5 × 6.5 × 1.5 in
Shape

Oval

Color

Red, Orange, Gold, Green