description Spectrolite Overview
Spectrolite is a trade name commonly used for a dark, strongly iridescent variety of labradorite feldspar associated with Finland. Its polished surfaces can display vivid blue, green, yellow, orange, and violet flashes caused by the feldspar's internal optical structure, a phenomenon known as labradorescence. It is used as a cabochon and ornamental gemstone for jewelry and collectors who value broad, multicolored flashes in a dark body.
help Spectrolite FAQ
What is spectrolite?
Spectrolite is a trade name for a dark, strongly iridescent variety of labradorite feldspar associated with Finland. Its polished surface can show flashes of blue, green, yellow, orange, and violet.
Why does spectrolite show different colors?
Its color flashes come from the internal optical structure of the feldspar. Light is reflected and diffracted within the stone, creating the shifting iridescence seen on polished surfaces.
Is spectrolite a separate mineral from labradorite?
Spectrolite is generally treated as a trade name for a distinctive dark variety of labradorite feldspar. The name highlights its appearance and Finnish association rather than identifying a separate mineral species.
Where is spectrolite associated with?
Spectrolite is strongly associated with Finland. It is valued for dark body color combined with vivid iridescent flashes after polishing.
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