Blue Goldstone Crystals Sparkly Man-Made
Goldstone is an interesting crystal sometimes mistaken for a natural stone. It's one of the very few man-made stones that we have as part of our collection.
Blue goldstone is not seen as often as the orange-brown variety. Although both sparkle as light reflects of minute inclusions within the glass, they're slightly different materials.
The orange-brown variety of goldstone is made using clear glass. Occasionally it may be very slightly coloured. The orange-brown colour comes mainly from the copper inclusions. Blue goldstone is made using blue glass and the spangled reflectance comes from inclusions of cobalt.
The term aventurescence is often used to describe this optical reflectance. Aventurine quartz is believed to have been named after goldstone because it exhibits a similar phenomenon. Whilst most believe goldstone was named after aventurine, it was actually the other way around.
The twinkling effect in blue goldstone is often more impressive than in the orange-brown variety. This is probably because of the darker colour of the glass.
Tumbling goldstone is not easy because glass is fragile. It's therefore not unusual for some stones to have minor chips.
Our blue goldstone crystals are size medium although size can vary from piece to piece.
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