Amphibole quartz approximately 2.50" x 1" x 0.50" and 39.5 grams.
Amphibole included quartz is found in Brazil. Amphiboles are a "supergroup" mineral meaning there are 2 different classifications but all contain forms of tremolite, iron, magnesium, actinolite, kaolinite and hornblende.
The word amphibole literally means "ambiguous" stemming from Greek.
These amphibole included quartz are also called angel phantom quartz and are thought to be grounding and balancing while connecting us to the higher realms