Item talk:Q162622
From geokb
Mindat Short Description
Rutile Group.
Usually found as matte-black powdery to fibrous crusts, sometimes in botryoidal aggregates or columnar, more rarely as druzes of small prismatic to tabular, dark grey metallic crystals. May be confused with some manganese oxides such ...
Geoscience Ontology Status Notes
Haidinger W (1827) Description of pyrolusite, or prismatic manganese ore, The Edinburgh Journal of Science 9, 304-309
IMA Formula (from Mindat)
MnO2
RRUFF Formula (from Geoscience Ontology)
Mn4+O2
