Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) silicate These specimens are some of

These specimens are some of the most classic Quartz after Calcite pseudomorphs or "casts" from any world locality and this specimen is a fantastic example showing the perfect scalenohedral form of the previous Calcite crystals which were coated by very small

snow-white blades of Baryte forming a beautiful “flower”-shaped group on minor matrix

Specimen # BOL711B91

thin blades of Brookites with a rich flame-red hue sitting among scattered Quartz crystals on matrix

A hard to find "cogwheel"-esque group of sharp

Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) silicate These specimens are some ofA rather gemmy, soft golden orange color, lustrous, globular group of Blood Vessel Opal Hyalite Opal featuring a group of intergrown spheres which get their color from tiny inclusions of iron oxide. A little below the surface, the specimen shows the thin capillary esque lines that give it such a unique appearance. One typically does not see Hyalite Opal of this quality and color on the market. Only a tiny bit of damage on the back, and attractive to