Citrine (Heated Amethyst) aragonite This item is 12” x

This item is 12” x 7” and weighs 40

The smoky color results from natural radiation affecting trace aluminum within the quartz structure over millions of years

Apart from its aesthetic qualities it is considered an essential part of aquariums to replicate natural reef environments as many marine organisms form their shells and skeletal structures from it

hollow glass tubes

This item is 5

Citrine (Heated Amethyst) aragonite This item is 12” xCitrine or Heat treated amethyst (HTA) typically shows a deep, often unnatural orange yellow or "toasted" color with white, opaque, or, for large clusters, a milky white base. Natural citrine is generally a more uniform pale yellow, honey, or smoky yellow. This item is 4. 5 x 3 and weighs 22. 15 oz