https://rock.id/encyclopedia/millerite/identification-guide
Millerite Identification Guide | Rock Identifier
How to identify Millerite, a brass-yellow nickel sulfide, by its fine radiating needle crystals, metallic luster, and greenish-black streak.
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https://mineralexpert.org/mineral-photo/millerite-staric-czech-republic-3779
Millerite — Mineral Expert
Mineral photo of Millerite from Staříč, Czech Republic
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