WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Nature The World Movies USA Top Art Fine & Rare History Ivy & Inquiry
Ruby
Videos
Ruby is a pinkish-red to blood-red-colored gemstone, a variety of the mineral corundum, consisting of aluminium oxide. Ruby is one of the most popular traditional jewelry gems and is very durable. Oth
Ruby
A ruby crystal from Dodoma Region, Tanzania
A ruby crystal from Dodoma Region, Tanzania
The main ruby-producing countries
The main ruby-producing countries
Crystal structure of ruby showing the substitution of Al3+ ions (blue) with Cr3+ (red). The substitution density of Cr3+ ions in this model is approxi
Crystal structure of ruby showing the substitution of Al3+ ions (blue) with Cr3+ (red). The substitution density of Cr3+ ions in this model is approximately 2%, approximating the maximum doping normally encountered.
Ruby (Corundum) - Hunza Valley, div. Gilgit, Northern Areas, Pakistan.
Ruby (Corundum) - Hunza Valley, div. Gilgit, Northern Areas, Pakistan.
Corundum
Videos
Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium, and chromium. It is a rock-forming mineral. It is a naturally transparent material, but can h
Corundum
Corundum from Brazil, size about 2 cm × 3 cm (0.8 in × 1 in)
Corundum from Brazil, size about 2 cm × 3 cm (0.8 in × 1 in)