03-05. Labradorite #1.

I will be exploring the structure of labradorites for this first week of March.

The labradorite is a greenish, blue, yellow, crystal, part of the Feldspar group – a group of minerals that form 40% of the earth continental crust. The crystal belongs to the triclinic system, a three-dimensional geometric arrangement of three unequal oblique axes. Some labradorite exhibit a high degree of fluorescence – or labradorescence as a result of the reflection of the light from submicroscopic planes in its structure. They are called spectrolites.

It was first identified in Labrador, Canada in the mid-1700s.It is considered by many as the stone of the Northern Light. It is also found in Norway, Finland, and various other places worldwide. Inuit tribes of North America claim it fell from the Aurora Borealis after it was struck by one of their warrior’s spear.

Here is a labradorite ice cube floating in the melting ice of the northern shores.

From a database resource by Wenk, Joswig, Tagai, Korekawa & Smith.


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