|
Chemical formula
|
SiO2 _ |
|
Crystalline system
|
trigonal |
|
Class
|
oxides |
| Origin | Antsirabe, Madagascar |
| Size | 2.0-3.0cm |
Massive carnelian in reddish-orange tones.
Carnelian or carnelian is a variety of orange chalcedony, a microcrystalline quartz. Normally it is usually found in massive habit, sometimes it is found in geode.
It is also often called carnelian agate as it sometimes has the characteristic bands of agate.
The mineral includes a label with the name and origin and is attached to a cardboard box. 4 cm square.
*The price is per unit (a single cardboard box of the four shown in the photo)
Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.