A rare blue copper aluminum sulfate mineral that typically forms delicate, hair-like crystals.
From cyano- (blue) + trichite (hair-like crystal formation, from Greek thrix meaning 'hair'). The name describes both the color and the distinctive crystal structure.
Cyanotrichite literally means 'blue hair stone'—when you see specimens under a magnifying glass, the super-fine silky crystals look like someone threaded blue hair through rock, making it one of the most beautiful minerals to collectors.
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