Actinolite from San Benito mountain San Benito Co California USA
size-
6.6cm x 4.8cm x 2.3cm
weight-
127g
you will receive the item in the photo
Actinolite is an intermediate mineral in calcium rich amphibole series between magnesium rich Tremolite and iron rich ferro-Actinolite. It is well known for its fibrous blended crystals and its dense compact variety,Neptune jade.
mineral class is silicate and its crystal system is monoclinic. Hardness is 5-6 on the MOHs scale.
rock formation: Actinolite is typically formed through metamorphism and rarely found as a primary mineral in igneous rocks.
Actinolite is classified and regulated as a type of asbestos requires careful handling