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

Pyromorphite
Phosphate lead ore
lead chloride phosphate
Pb (PO4)3 Cl
Scale bar = 1 centimetre
cleavage: Very poor prismatic
crystal system: Hexagonal
hardness:  3.5 - 4.0
relative density:  6.5 - 7.1
Caldbeck Fells, Cumberland
26 E 5