Everything in this universe is composed of Seven Rays of colour. We can see these rays in Rainbow. We can call it Meghadhanusha – VIBGYOR-rays. VIBGYOR RAYS mean a combination of VIOLET, INDIGO, BLUE, GREEN, YELLOW, ORANGE & RED. Through a Prism, one can find or see these COSMIC rays. In the ancient Indian text, the “KURMA PURANA”, the seven planets are to be seen as condensations of the seven cosmic rays. It was understood that on our planet Earth the greatest condensation of the cosmic rays is found in natural gemstones. This the chart shows you the Metal, Chakra, Planets, Cosmic Colour, Primary Gems, Sanskrit Name & Alternative Gems (Secondary Gems) & Zodiac Sign as per the Hindu system of astrology. Gemstone therapy should not be deemed as practice of medicine and should not be viewed as a substitute for consultations with your physician or other health care professional