Main Page | See live article | Alphabetical index Menilite is a reddish-brown form of opal, also known as "liver" opal or leberopal. Menilite gained its name because it is found in concretions at Menilmontant, near Paris. It is brown or grey, and found in Tertiary shale deposits at Menilmontant. See also: List of minerals This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.