![Apparently, this is the type of Rubies - Gems Price | Loose Diamond | Loose Emerald | Loose Sapphire | Loose Ruby Apparently, this is the type of Rubies - Gems Price | Loose Diamond | Loose Emerald | Loose Sapphire | Loose Ruby](https://gemsprice.com/uploads/1/2/0/7/120710491/ruby-type_1_orig.jpg)
Apparently, this is the type of Rubies - Gems Price | Loose Diamond | Loose Emerald | Loose Sapphire | Loose Ruby
We talked about gemstones, and about how rubies and sapphires are both made of the same thing: corundum, which is the... – @clearscience on Tumblr
![a) α-Al2O3 crystal structure having rhombohedral A2X3 (space group 3 )... | Download Scientific Diagram a) α-Al2O3 crystal structure having rhombohedral A2X3 (space group 3 )... | Download Scientific Diagram](https://www.researchgate.net/publication/335496640/figure/fig1/AS:797578828472320@1567169019179/a-a-Al2O3-crystal-structure-having-rhombohedral-A2X3-space-group-3-with-lattice.png)
a) α-Al2O3 crystal structure having rhombohedral A2X3 (space group 3 )... | Download Scientific Diagram
![This month introduces us to the most iconic of red gems: Ruby, the birthstone of July. | Crystallography365 This month introduces us to the most iconic of red gems: Ruby, the birthstone of July. | Crystallography365](https://crystallography365.files.wordpress.com/2014/06/ruby_structure.png)