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

Skip to page content

Back to: Nature online

Earth lab datasite

Orthoclase
Silicate with smoky quartz
potassium aluminosilicate
K Al Si3 O8
Scale bar = 1 centimetre
cleavage: Perfect
crystal system: Monoclinic
hardness:  6.0 - 6.5
relative density:  2.5 - 2.6
Mourne Mountains, Co. down, Ireland
24 M 4