Labradorite is a silicate of composition (Ca,Na)(Si,Al)4O8. These samples are on display at the Smithsonian Museum of Natural History. The sample above left is about 10x10 cm and above right is about 4x10 cm. They are displayed under ultraviolet light to show their fluorescence. These samples and the one at right below are from Nain, Newfoundland, Canada.

This sample of labradorite is from Nain, Newfoundland, Canada and is about 12 cm across.

This labradorite specimen is about 10 x 20 cm and is from Newfoundland.

This labradorite gem is labeled as 258.2 carats. It is on the order of 5 cm across. It is from La mina de la Piedra del Dol Dorado, Chihuahua, Mexico.

This laboradorite sample is labeled as variety spectrolite. It is about 8x7 cm and is from Ylijarvi, Karelia, Finland.

The carved figure at left is labeled 810.7 carats. It is from Labrador, Newfoundland, Canada.

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