RYO-R-03
Origin: Australia
Grade: AA
Dimensions:
Approximately 30-40mm
Weight:
Between 15 and 25g
Origin:
India
Grade:
AA = very high
Tumbled star-shaped rhyolite stone, 30-40mm.
Sold individually.
Patterns and colors may vary from stone to stone.
The common trade designation "star jasper" is incorrect, as it is a rhyolite.
The brown base mass is quartz and feldspar; the inclusions are also feldspar. From a mineralogical point of view, the correct designation is therefore star rhyolite.
Other names used to refer to this mineral are Star-Oregon-Jasper or Star-Oregon-Jaspis and Star Jasper as well as Blumenjaspis and Starburst-Jaspis and Firework Jaspis/Jasper.