BRAZILIANITE NaAl3(PO4)2(OH)4 (monoclinic) . Elongated or stubby greenish-yellow prismatic crystals . Corrego Frio, Minas Gerais, Brazil . 磷鋁鈉石晶体呈現柱狀黃綠色，透明玻璃光澤，硬度 5.5，為少見磷酸鹽的寶石級礦物． 長於偉晶岩的空洞，與天藍石，磷灰石共生．
礦名來源：因首度在巴西∼Brazil發現而命名．

著名產地：Conselheiro Pena and other mines in Minas Gerias, Brazil and Smith Mine, Newport, New Hampshire.

經典名礦欣賞 ．２．３．４．５．６
NO.260