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Opal Patterns
Classification and GradingSep 11, 20131 min read

Even more opal patterns: Part 2

This is part 2 of opal patterns explained (you can catch up with part 1 here). Now that you are familiar with the differences between Rolling Flash and Broad Flash patterns, we introduce another five opal patterns found in opal from Lightning Ridge.

 

PINFIRE

Pinfire pattern is exactly as described. Fine flashes of fire punctuate the stone as it moves.

Pinfire opal pattern

ASTERIA

Characterised by a pattern that radiates out from a centre nucleus. This is an uncommon pattern.

Asteria Opal Pattern

FEATHER

This pattern is mostly found in material from the Grawin Opal fields. It is characterised by soft feather like lines that fan out.

Feather Opal Pattern

CHAFF

Justin’s favorite. Chaff is literally like hay and in the opal it is seen as lines or “scratches” across a block of color.

Chaff Opal Pattern

CLOVER LEAF

Resembling a clover leaf, this pattern is very distinctive as well as rare.

Clover Leaf Opal Pattern

Watch the video here

For more information on opal patterns

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