Trolleite in Quartz Freeform #2 measures approximately 4" x 2 5/16" x 1 1/2" (102mm x 60mm x 39mm) and weighs approximately 1 pound 1.5 ounces (445.4 grams). If there is a darker blue in the Trolleite, it is likely Lazulite.
(Healing Crystal, Throat Chakra Crystal)
Hardness (Quartz): 7.0
Hardness (Trolleite): 5.5 - 6.0
Origin: Madagascar