Hypertext Webster Gateway: "andalusite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Andalusite \An`da*lu"site\, n. (Min.)
A silicate of aluminium, occurring usually in thick rhombic
prisms, nearly square, of a grayish or pale reddish tint. It
was first discovered in Andalusia, Spain.
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