a feldspar shot with blue, green, and other colors.
See also: labradorite
- 1824  Mr. Smillie, Lapidary, of Quebec, brought up some beautiful specimens of a sky-blue variety of the Labradore feldspar, a mineral first, and as yet almost exclusively found on that coast.
- 1829  Of the productions of the Kiglapyed we have no account, but to the south of this chain the district commences, where the Labrador feldspar is found.