Brazilianite
Brazilianite is a rare phosphate mineral known for its attractive yellow to greenish-yellow color. It is primarily valued by collectors due to its transparency and crystal beauty, though it is sometimes used as a gemstone in jewelry.
About
Brazilianite
Brazilianite is a rare and attractive mineral belonging to the phosphate mineral group. Its chemical formula is NaAl₃(PO₄)₂(OH)₄, and it crystallizes in the monoclinic crystal system. The mineral was first discovered in Brazil, which is also the origin of its name. Brazilianite is admired for its bright color and transparency, making it a desirable collector’s gemstone. The gemstone typically occurs in shades of yellow, yellow-green, and green. Its color is caused by trace elements and its unique chemical composition. High-quality Brazilianite crystals are transparent and exhibit a vitreous (glass-like) luster, giving them an appealing brilliance when cut and polished. However, due to its relative softness, it is more commonly kept as a collector’s specimen rather than used in everyday jewelry.
Physical & Chemical Properties
| Name | Brazilianite |
|---|---|
| Scientific Name | Brazilianite |
| Mineral Group | Phosphate |
| Hardness (Mohs) | 5.5 – 6 |
| Color | Yellow, yellow-green, green |
| Origin | Brazil (main source), USA (New Hampshire), Canada |
| Chemical Formula | NaAl₃(PO₄)₂(OH)₄ |
Quick Facts
| Crystal System | Monoclinic |
|---|---|
| Specific Gravity | 2.9 – 3.0 |
| Birthstone | NA |
| Refractive Index | 1.60 – 1.62 |
| Optical Character | Biaxial |
| Dispersion | Low |
| Major Sources | Brazil (main source), USA (New Hampshire), Canada |
| Treatments | Brazilianite is typically untreated |
| Price Range | $20 – $50 |
| Care Instructions | Avoid rough handling and scratches Clean with mild soap and water Keep away from harsh chemicals Store separately from harder gemstones |