Labradorite ((Ca, Na)(Al, Si)4O8) is a calcium-enriched feldspar mineral first identified in Labrador, Canada, which can display an iridescent effect...

Spectrolite is an uncommon variety of labradorite feldspar. Spectrolite exhibits a richer range of colors than other labradorites as for instance in Canada or...

in more basic rocks. Labradorite is the characteristic feldspar of the more basic rock types such as gabbro or basalt. Labradorite frequently shows an...

the descent are of grey labradorite. The Funeral Hall is a ten-meter cube with a stepped ceiling. A band of black labradorite runs across the entire room...

is reflected between layers of minerals. It is seen in moonstone and labradorite and is very similar to adularescence and aventurescence. GIA Gem Reference...

(Na,Ca)(Al,Si)AlSi2O8 andesine (30 to 50) NaAlSi 3O 8 – CaAl 2Si 2O 8 labradorite (50 to 70) (Ca,Na)Al(Al,Si)Si2O8 bytownite (70 to 90) (NaSi,CaAl)AlSi2O8...

commonly called rainbow moonstone is more properly a colorless form of labradorite and can be distinguished from "true" moonstone by its greater transparency...

approved by IMA) Krantzite (natural resin) Kunzite (variety of spodumene) Labradorite Labyrinthite Lanarkite Langbeinite Langite Lansfordite Lanthanite (group...

Official animal Caribou Official game bird Ptarmigan Official mineral Labradorite Official dogs Newfoundland Dog and Labrador Retriever Provincial anthem...

passing resemblance that may deceive the unfamiliar. These include: labradorite (also known as spectrolite), an iridescent feldspar that may also be...