The story
From Putnis + -ite, from the name of the discoverers, mineralogists Andrew and Christine Putnis.
Etymology from Wiktionary, CC BY-SA 4.0.
putnisite
Today it means: A quartz-like mineral, purple in colour, naturally occurring brittle crystals smaller than 0.5 mm, with an orthorhombic crystalline matrix of SrCa₄Cr³⁺₈(CO₃)₈SO₄(OH)₁₆·23H₂O Full definition →