putnisite

Noun

Meaning

putnisite (uncountable)

A quartz-like mineral, purple in colour, naturally occurring brittle crystals smaller than 0.5 mm, with an orthorhombic crystalline matrix of SrCa4Cr8(CO3)8SO4(OH)16·23H2O

Source: en.wiktionary.org

Close letter words and terms

Putnam model Putnamian Putney Putnoe puto putoff