Brazen Crystal Opal, .59 ct.

$43.48

Crystal opal with green, purple, blue and gold cut oval with a medium cabochon (.313 x .2355 x 082 in., .59 ct.)

SKU: CPO-1-3 Categories: , Tags: ,

Description

Opals are unique treasures. No two are alike!

Variety: Natural Light Opal Type 1
Body Tone: Light N9 (19)
Brightness: Bright
Transparency: Transparent
Colour: Green-Blue
Hue: Normal Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: South Australia
Pattern: Mixed Pattern
Display: Weak or Blank 1 Angle
Distribution: 60 – 69%
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: .59 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

Opals differ by their veins, sheens, colors and impurities, making each one special.

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Additional information

Weight 45 g
Dimensions 9.5 × 6.5 × 1.5 in
Shape

Oval

Color

Gold, Green, Blue, Purple