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Opal-Portfolio / Opal-ABC

Facts and features of the many opal varieties, listed in alphabetical order

A layer of opal which has formed over dark ironstone

A thin layer of opal, bonded to a layer of stone

Colorful opals with no internal play-of-color

Fire Opal (facetted)

With and without play-of-color, with body color ranging from colorless to fiery orange to deep red

Fire Opal Matrix

Glowing patches of opal, with and without play-of-color, embedded in matrix stone

Fire Opal (with play-of-color)

With and without play-of-color, with body color ranging from colorless to fiery orange to deep red

Rare treasures from prehistory

Opal ranging in clarity from milky to transparent, with play-of-color

True works of opal art, made as triplet stones

Intense play-of-color on a dark stone background

Opal with a dark grey to deep black body color, sometimes showing play-of-color in unique patterns

A fine layer of opal, bonded to a layer of carrier material and covered in a layer of clear quartz or crystal glass

Transparent, colorless opal with glowing play-of-color

Colorful veins of opal in ironstone nodules, often showing unusual structures and patterns