Plastic 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. Plastic opal simulants offer a budget friendly alternative to natural opal.
Alternate
Names
Opalite
Colors
Bluish White

Plastic Opal Simulant Classification

Common Name

Plastic Opal Simulant

Species

NA

Variety

Plastic Opal Simulant

Colors

Bluish White

Alternate Names

Opalite

Gemstone Groups

Key Separations

RI, SG and maybe fluorescence

Comments

Plastic Opal Simulant Optical Properties

Transparency

Translucent

Refractive Index

1.53-1.48

Birefringence

Optic Character

Optic Sign

NA

Polariscope Reaction

Singly Refractive (SR) With ADR

Fluorescence

SWUV: Inert to weak chalky white
LWUV: Strong chalky white

CCF Reaction

Pleochroism

None

Dispersion

Comments

Plastic Opal Simulant Chemistry & Crystallography

Chemical Name

Chemical Formula

Synthesis

Crystal System

NA

Classification

Nature

Simulant

Crystallinity

Amorphous

Comments

Plastic Opal Simulant Characteristic Physical Properties

Hardness

2.5

Streak

Specific Gravity

Typical:1.2

Toughness

Varies

Inclusions

Luster

Vitreous

Stability

Poor

Fracture

Conchoidal

Cleavage

None

Comments

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