FINE LABRADORITE FREEFORM. ...

Description

FINE LABRADORITE FREEFORM
Madagascar
Labradorite is a rare member of the feldspar group of minerals. Twinning on a microscopic level is responsible for the iridescent sheets of color that ripple across the surface of this stone; the alternating parallel layers of feldspar crystals selectively reflect only those light waves of the proper wavelength or color. This is not seen on all labradorite specimens - some exhibit no areas of iridescence at all - but the present example displays particularly remarkable labradorescence across the whole of one polished face, flashing brilliantly with large patches of a warm golden color and a vibrant, deep blue. An exceptionally good example of this fascinating natural phenomenon, it measures 8½ x 10¾ x 3½ inches.

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