These two items are Ruby in Kyanite Sphere both with great ruby uv reaction. 
 
Large measures approx. 72mm diameter: weight is 719 grams. ($100)
Medium measures approx 69 mm: weight is 545 grams
Small-Med measures approx. 64 mm diameter: weight is 433 grams ($85)
 
Ruby in Kyanite is only known to grow together in mainly India, Greece and Tasmania. It has a hardness of 5.5-9 and the color can be Red, Blue and Green. The ruby's will glow red with long wave uv lighting.