Menilite

From Wikipedia, the free encyclopedia

Menilite is a reddish-brown form of the mineraloid opal. It is also known as "liver opal" or leberopal, due to its color. It is called menilite because it is found in Ménilmontant (Paris), where it occurs in concretions of Tertiary shale.

[edit] See also

• Geyserite
• Hyalite
• List of minerals

v • d • e Silica minerals Crystalline forms Coesite · Cristobalite · Moganite · Quartz · Stishovite · Tridymite Cryptocrystalline forms Chalcedony · Chert · Flint · Jasper Amorphous forms Fulgurite · Lechatelierite · Opal Miscellaneous Quartzite · Tiger's eye · Vitreous quartzite Notable varieties Chalcedony varieties Agate · Carnelian · Chrysoprase · Cyclops · Heliotrope · Moss agate · Lake Superior agate · Onyx · Sard Jasper/Chert varieties Bruneau jasper · Mozarkite · Orbicular jasper Opal varieties Fiorite · Geyserite · Menilite Quartz varieties Amethyst · Ametrine · Cairngorm · Cape May diamond · Citrine · Herkimer diamond · Milky quartz · Rose quartz · Smoky quartz · Shocked quartz