A doublet is a stone composed of valuable gemstone material in combination with other, less expensive, material glued together.
Doublets should be kept away from chemicals, heat as this can cause damage or permanent changes to its appearance.
GEMSTONE WEIGHT PER PIECE OF QUARTZ DOUBLETS ROUND
|
|
Size
|
weight
|
1.00mm
|
0.005
|
1.25mm
|
0.007
|
1.50mm
|
0.014
|
1.75mm
|
0.02
|
2.00mm
|
0.031
|
2.25mm
|
0.04
|
2.50mm
|
0.052
|
2.75mm
|
0.076
|
3.00mm
|
0.09
|
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