Garudapurana 1.78.2

1.78.2

tatrendragopakalitaṃ śukavakravarṇaṃ saṃsthānataḥ prakaṭapīlusamānamātram /
nānāprakāravihitaṃ rudhirākṣa(khya) ratnamuddhṛtya tasya khalu sarvasamānameva //

There, taking on the hue of an indragopa insect or the colour of a parrot's beak, in form clear and equal in size to a pīlu fruit, / produced in various ways, is the gem known as rudhirākṣa, arising entirely uniform from him.