Glass Opal Simulant | Gemopedia

Some gems, like opal, are highly coveted but rare to find, much less in the sizes and quality people dream of owning. Glass opal simulants offer you the best of both worlds. You get the beauty of a beautiful natural opal, but at a budget-friendly price. This glass simulant recreates the beautiful play-of-color coveted in natural opal.
Alternate
Names
Slocum Stone
Colors
Variety Of Colors

Glass Opal Simulant Classification

Common Name

Glass Opal Simulant

Species

NA

Variety

Glass Opal Simulant

Colors

Variety Of Colors

Alternate Names

Slocum Stone

Gemstone Groups

Key Separations

Appearance, RI and magnification

Comments

Glass Opal Simulant Optical Properties

Transparency

Transparent - Opaque

Refractive Index

1.5-1.52

Birefringence

Optic Character

NA

Optic Sign

NA

Polariscope Reaction

Singly Refractive (SR) With ADR

Fluorescence

SWUV: variable
LWUV: variable

CCF Reaction

Pleochroism

None

Dispersion

Comments

Glass Opal Simulant Chemistry & Crystallography

Chemical Name

Silica

Chemical Formula

Synthesis

Crystal System

NA

Classification

Nature

Simulant

Crystallinity

Amorphous

Comments

Glass Opal Simulant Characteristic Physical Properties

Hardness

5-6

Streak

Specific Gravity

2.41-2.5

Toughness

Varies

Inclusions

Glass opal simulants contain iridescent flakes of metallic foil that give the illusion of play of color. Sometimes gas bubbles can be seen.

Luster

Vitreous

Stability

Poor

Fracture

Conchoidal

Cleavage

None

Comments

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