Provocative Opal Stone, 2.18 ct.

$534.36

Opal stone with orange, gold, green and purple. This gemstone has a triangle cut with a medium cabochon for jewelry, art or collection (.4125 x .3000 x .1775 in., 2.18 ct.).

SKU: BOD-2-33 Categories: , , Tags: ,

Description

Opal stones are sometimes called the Queens of Gemstones.

Variety: Natural Dark Opal Type 1
Body Tone: Dark N5 (9)
Brightness: Average
Transparency: Opaque
Colour: Green-Orange
Hue: Normal Tones
Outline: Triangle
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Named Pattern
Display: Weak or Blank 1 Angle
Distribution: 50 – 59%
Inclusions: 20% 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: 2.18 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

Opal stones make great gifts for October birthdays.

View more dark crystal opal stones.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Orange, Gold, Green, Purple

Shape

Triangle