Citrine 8mm Round 15-16 Inch Azurite Malachite Boulder Opal is believed to

Boulder Opal is believed to help with spiritual development

Hematite is black to steel to gray or silver to gray

This prompted an alternative name for the gemstone: Princess Blue

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

The stone includes shades of blue-gray

Citrine 8mm Round 15-16 Inch Azurite Malachite Boulder Opal is believed toCitrine 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 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.