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Meaning of putnisite | Babel Free

Noun CEFR B2

Definitions

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

uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

Putnoe puto putoff putoid putois Putonghua

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