Citrine 10x13-14x17mm Faceted Tumble Nugget - 15-16 Inch Hole Size_1.5mm Its inclusions of red

Its inclusions of red

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite

The links do not open therefore they will need to be cut with a heavy duty cutter

At that time yellowish gems were called "topaz" in many parts of the world

Iron gives them blue

Citrine 10x13-14x17mm Faceted Tumble Nugget - 15-16 Inch Hole Size_1.5mm Its inclusions of redCitrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It may also contain rainbow to colored or sparkling inclusions. The name comes from the French word for lemon, citron. It was a prized gem in Greece as far back as 300 BCE.