Opal with green and blue on both sides. This opal is oval cut with a medium cabochon, perfect for jewelry, art or collection (.3815 x 1995 x .1015, .85 ct.).
Opal with green and blue on both sides. This opal is oval cut with a medium cabochon, perfect for jewelry, art or collection (.3815 x 1995 x .1015, .85 ct.).

Elegant Green-Blue Opal Stone, .85 ct.

$149.87

Crystal opal refracts warm hues in this otherwise cool Lightning Ridge gemstone. This opal is oval cut with a medium cabochon, perfect for jewelry, art or collection (.3815 x 1995 x .1015, .85 ct.).

SKU: BOD-1-16 Categories: , Tags: ,

Description

Opal stones are classed as minerals, not a crystals.

Variety: Natural Light Opal Type 1
Body Tone: Light N8 (17)
Brightness: Slightly Bright
Transparency: Transparent
Colour: Green-Blue
Hue: Slightly Pale Tones
Outline: Oval Shape
Profle: Medium Cabochon
Origin: Lighting Ridge
Pattern: Mossy Pattern
Display: Weak or Blank 1 Angle
Distribution: 60 – 69%
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: .85 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 opal stones are semi-transparent – when held up to a light source, distorted images and light can be seen through them.

View more crystal opals.

Additional information

Weight 45 g
Dimensions 9 × 6.5 × 1.5 in
Color

Green, Blue
Shape

Oval

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