Brazilianite

Brazilianite, named after its country of origin, Brazil, is certainly not a commonly available mineral. It is a typically yellow-green phosphate mineral that is most commonly found in phosphate-rich pegmatites. It occurs as perfect crystals grouped in druses, in pegmatites, and is often of gem quality. Brazilianite has a hardness of 5.5 on the Mohs scale. Brazilianite ranges in color from dark yellow-green to pale yellow. Brazilianite begins to lose its color when heated to 200 °C and becomes colorless when heated to 300 °C.

Brazilianite – Yellow-Green Phosphate
Brazilianite is a sodium aluminum phosphate with the chemical formula NaAl₃(PO₄)₂(OH)₄. It is typically characterized by a yellow-green to honey-yellow color, which makes it attractive to mineral collectors.

Appearance and properties of brazilianite
Brazilianite most often forms prismatic crystals with a pronounced glassy luster. It has a hardness of 5.5 on the Mohs scale and is translucent to transparent. Aesthetic specimens are highly valued by collectors.

Brazilianite deposits
Brazilianite was first discovered in Brazil, from which it got its name. To this day, Brazil (Minas Gerais) is one of the most important sources of this mineral. Other deposits are located in the USA (New Hampshire), Canada and Australia.

History and uses of brazilianite
Brazilianite was described in 1944 and soon became a sought-after collector's mineral. Due to its color, it is sometimes also used as a gemstone, although its use in jewelry is limited.

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