Without the natural ruby of burnish original rock has transparent, translucent, also have opaque! Above character of 3 ruby original rock each are not identical, the first is the most high grade columbine blood red, look of the 2nd brilliant is good, but foreign matter is very much also, the 3rd is the ruby in Gong Lubao! Diaphaneity is poorer!
Ruby is the gules corundum crystal that reachs lapidary level, chemical composition is 3 oxidation 2 aluminium (Al2O3) , hardness is next to diamond to achieve 9, refractive index is 1.76-1.77, density is 4, have fluorescence commonly!
Ruby will be July birthday stone, get of people of 7 worlds each country love, the best ruby on the world is to originate in Burmese the columbine blood red that feels cereal, color resembles shedding dripping blood, flaming fire! Unusually precious! The graph is not had Burmesely to originate in on burn ruby of columbine blood red, name sunrise, 25.59 carat, send the day price of 191 million yuan of RMBs! The ruby of 3 carat above is more exiguous! The ruby of high grade columbine blood red of 5 carat above auctions meeting ability to see only!
Natural ruby original rock is faulty, some color are not bright-coloured, some interior are sordid. Pursue on this ruby original rock has local blue. Original rock has graph ruby on macula
High temperature of course of two ruby original rock adds above heat can become color is even, diaphaneity also can increase, so present ruby is to have commonly those who burn! The most high grade ruby makes range of facet give upRuby and emerald are same, cannot too exacting spend completely, because ruby interior contains too much wrap up substance! Next graphs are the ruby that contains substance of apatite wrap upNext graphs are the crystal that contains substance of calcite wrap upNext graphs are contain " omelette " the ruby of account package bodyNext graphs are the ruby that contains substance of very beautiful decorative pattern wrap upNext graphs are body of zircon dizzy wrap up
Another place that produces high grade ruby is Mozambique and its periphery area, of course still a few produce the place of ruby, quality is general, thailand, China waits, quality is poor (diaphaneity difference or inclusion are much) some lapidary and common treatment becomes egg area!
A few poorer ruby can do some of carve
Because contain two groups to form orderly wrap up body,have a few ruby, cut according to certain way grind can show starlight effect! Because grow,still have a few ruby environmental influence appears Da Bici phenomenonRuby gets so big welcome, because it is gules,be above all! Very beautiful! Another respect is hardness tall, chemistry is very stable! Because,finally is very exiguous, especially high grade ruby is more exiguous! Have so burning ruby also is accepted generally!