Lead Glass Filled Ruby

But in my opinion if a person spends 1 000 or more on a ruby they should only purchase ones graded by one of the big gem labs.

Lead glass filled ruby. Lead glass filled rubies give off a blue and or orange flash under a microscope. With lead glass filled rubies the problem is that it cannot be easily determined where the lead glass ends and the ruby begins. Lab tests reveal that lead glass can account for as much as 60 of the stone s weight. What exactly is a lead glass filled ruby.

Others will simply conceal the truth. Lead glass filled rubies also known as composite rubies are nearly worthless as described in my previous post. The material is first washed at a very early stage to remove any impurities. Some of them will openly lie to you.

They use heat and a substance to alter color and fill the fractures that exist in the stone. Lead glass filled ruby is the composition of ruby made from its same natural mineral elements. It is impossible to determine what proportion of a ruby is actually lead glass without dissolving the filler. The problem is that there are thousands and thousands of sellers who will try to sell you a composite ruby as the real thing.

Then later heating it at the temperature of about 900 1400 degree celsius is done. At face value the process to create a lead glass filled ruby seems the same.