Acer palmatum, although there are more than 100 species of maple worldwide, only one species (Acer campestre) is native to the UK.

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Earth lab datasite

Aurichalcite
Carbonate brass ore
hydrous zinc copper carbonate
(Zn Cu)5 (CO3)2 OH6
Scale bar = 1 centimetre
cleavage: Perfect
crystal system: Orthorhombic
hardness:  1.0 - 2.0
relative density:  3.9 - 4.0
Roughton Gill, Caldbeck Fells, Cumberland
26 D 5