Mineralpedia Details for Hainite
Named after the type locality at Hohe Hain Mountain in the Liberec Region of Bohemia in the Czech Republic. Additional localitied for this rare mineral occur in Brazil and Norway. Hainite occurs in cavities and in the groundmass of phonolites and is associated with aegirine. Hainite occurs as yellowish, slender needles and plates.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/hainite.pdf
Hainite from Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil
Yellowish brown long prismatic crystals to 5mm suspended in matrix.
Long prismatic tan to yellow, glassy crystals to 1cm in phonoltite matrix.