GILSON OPALS - CRUSHED MICRO BLACK SHARDS - AAA QUALITY - 1gm

The size of the opal bits in the regular sized shards are between 0.35mm - 0.25mm and are all black opal. This opal provides a very awesome glitter type effect when used in tubing. The material is small but is much larger than powdered and very useable in glass. Sold by the gram.