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Hasil cari dari kata atau frase: pyrolusite (0.01803 detik)
Found 2 items, similar to pyrolusite.
English → English (WordNet)
Definition: pyrolusite
pyrolusite
n : a mineral consisting of manganese dioxide; an important
source of manganese
English → English (gcide)
Definition: Pyrolusite
Pyrolusite
\Pyr`o*lu"site\, n. [Pyro- + Gr. ? to loose, or ? a
loosing.] (Min.)
Manganese dioxide, a mineral of an iron-black or dark
steel-gray color and metallic luster, usually soft.
Pyrolusite parts with its oxygen at a red heat, and is
extensively used in discharging the brown and green tints of
glass (whence its name).
[1913 Webster]
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