Avika Natural Septarian Nodule Antique Crystal Egg geode collected in the Betsiboka Region of Madagascar. The hollow cavity is full of beautiful, black calcite crystals. It is a hollow Septarian nodule, which has been polished into an egg shape, and the natural cracked pattern of the septarian gives it the appearance of a Nodule Antique Crystal Egg A spectacular display piece which would look great in your home/office or make a great gift for your loved ones.
DISCLAIMER: No claims are made on metaphysical properties of this stone. These literature is collected from writings, books, folklore and various sources. The actual product may slightly vary from picture as these are natural stone and no two stones can same in pattern.
Chemical Formula |
SiO2 |
Color |
White, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, Multicolored |
Hardness |
7 |
Crystal System |
Hexagonal |
Refractive Index |
1.54 - 1.55 |
SG |
2.63 - 2.65 |
Transparency |
Translucent |
Double Refraction |
.009 |
Luster |
Vitreous |
Cleavage |
Indiscernible |
Mineral Class |
Quartz (Chalcedony). See also the Agate mineral page. |
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