Generally, the melting point 2050 ° C in red ruby stone.
The mohs hardness of ruby stone to a diamond the hardest mineral hardness is 9 to display. Earth is ruby red in various shades. Pink to red to purple or brownish offers a spectacular range of colors. That the red color of the element chromium in ruby. Ruby, as pebbles are eroded in many parts of the world.
Top-quality rubies Thailand removed. Here is a brownish red color, most Yakut has issued. In addition, Afghanistan, Vietnam and Pakistan removed a high-quality bright-red rubies.
India, Russia, Australia, Norway and the United States-North Carolina, all that is mostly dark in color. Ruby, in India, "The Lord of Precious Stones" name. America, Europe, India and Southeast Asia, despite the removal of the mother land of ruby. Astrologically, Aries, Cancer, Leo, Scorpio, Capricorn signs of spring and the stone.