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Although this phosphate mineral has a hardness of 5.5, brazilianite is fragile due to its perfect cleavage and brittle nature. Most brazilianite is chartreuse to pale yellow and forms in granitic pegmatites associated with tourmaline and apatite.

Brazilianite Polished
Brazilianite Classification
Common Name Brazilianite
Species Brazilianite
Brazilianite Optical Properties
Transparency Transparent - Translucent
Dispersion Strength: Weak Fire Value: 0.014
Refractive Index 1.602-1.621
Birefringence 0.019-0.021
Optic Character Biaxial
Optic Sign Positive
Polariscope Reaction Aggregate (AGG), Doubly Refractive (DR)
Fluorescence SWUV: Inert
LWUV: Inert
Pleochroism Unobservable
Brazilianite Characteristic Physical Properties
Hardness 5.5
Streak White
Specific Gravity 2.940-3.000 Typical:2.970
Toughness Varies
Inclusions Brazilianite stones are rarely eye-clean and typically have natural inclusions.
Luster Vitreous
Fracture Conchoidal
Cleavage Perfect, in one direction
Brazilianite Chemistry & Crystallography
Chemical Name sodium aluminum phosphate hydroxide
Chemical Formula NaAl3(PO4)2(OH)4
Crystal System Monoclinic
Chemistry Classification Phosphate

Brazilianite Colors

  • Colorless Brazilianite Colorless
  • Yellow Brazilianite Yellow
  • Green Brazilianite Green

Countries of Origin


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Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.