orange microcline heart

Orange microcline heart from Madagascar

Size: 7.6

Microcline is a mineral species from the group of silicates. It belongs to the triclinic crystal system. microcline is an adularia, a variety of orthoclase (silicate group, tectosilicate subgroup, feldspar family) Its name is derived from a visual effect, or glow, caused by the diffraction of light within a microstructure consisting of a regular succession of layers of feldspar (lamellae).