2.05" Dravite Crystal Cluster - St. Lawrence County, NY

 
Dravite, also known as "brown tourmaline," is composed of sodium, magnesium, aluminum, and boro-silicate, with the chemical formula of NaMg3Al6(BO3)3Si6O18(OH)3F. Dravite is a subclass of tourmaline, which along with schorl tourmaline and uvite (also subclasses of tourmaline), form into a prismatic/columnar formation.

This prismatic structure can be seen on this dravite specimen.

Powers Farm, Classic Digging Area, Pierrepont, St. Lawrence County, NY.
This Dravite was collected by Michael Walter August 27th, 2013
DETAILS
SPECIES
Dravite
LOCATION
Pierrepont, St. Lawrence County, New York
SIZE
2.05"x1.7", largest crystal .78"
CATEGORY
SUB CATEGORY
ITEM
#37823