the coulor of ruby is red
I have not heard of anything like bloods ruby. But the finest ruby colour is described as - red as pigeons blood- So may be that colour ruby is called as bloods ruby!
Ruby is a shade of the colour red or pink.
Red.
A ruby is a rare precious stone of purplish red colour.
Ruby - red
The gemstone commonly called ruby is red. The colour can vary from pale to very dark red. A Corundum -the technical name for ruby- of any other colour is called a sapphire.
Red, ruby.
red
The egg color of a Siberian Ruby-throated Hummingbird is white.
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Yes, it is also a gem stone. The colour ruby is a deep true red on the cool side of the spectrum.