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Webster 1913 Edition

Stilpnomelane

Stilp-nom′e-lane

,
Noun.
[Gr.
στιλπνόσ
shining +
μέλας
,
-ανος
, black.]
(Min.)
A black or greenish black mineral occurring in foliated flates, also in velvety bronze-colored incrustations. It is a hydrous silicate of iron and alumina.

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