Menilite
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/%C3%93palo_menilito.jpg/220px-%C3%93palo_menilito.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Menilite.jpg/220px-Menilite.jpg)
Menilite is a greyish-brown form of the mineraloid opal.[1] It is also known as liver opal or leberopal (German), due to its color. It is called menilite because it was first described from Ménilmontant (Paris), France,[1] where it occurs as concretions within bituminous Early Oligocene Menilite Shales.
See also
- Geyserite
- Hyalite
References
- ^ a b Menilite on Mindat.org
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Silica minerals
- Coesite
- Cristobalite
- Keatite
- Moganite
- Quartz
- Seifertite
- Stishovite
- Tridymite
Chalcedony |
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Opal | |
Quartz | |
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