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This Specimen has been sold.
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2.4" Dravite Tourmaline - India
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.
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. It is a subclass of tourmaline which, along with schorl and uvite (also subclasses of tourmaline), form into a prismatic/columnar formation.
SPECIES
Dravite
LOCATION
India
SIZE
2.4" long, .9" wide
CATEGORY
SUB CATEGORY
ITEM
#43971
