HPHT/CVD
Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
A really cheap price for a gemstone parcel is a good indication it may contain synthetic rough. If the deal is too good to be true, so are the stones. If the gemstones in a parcel look exactly alike in both color and size, they may be synthetic. For example, natural quartz stones usually vary in color and size and may show color zoning and ...
A really cheap price for a gemstone parcel is a good indication it may contain synthetic rough. If the deal is too good to be true, so are the stones. If the gemstones in a parcel look exactly alike in both color and size, they may be synthetic. For example, natural quartz stones usually vary in color and size and may show color zoning and ...
Rough Semi Precious Stone. Providing you the best range of natural kyanite rough stones, top quality deep blue rough lapis lazuli, peridot rough stones, natural moldavite rough stones, natural tigereye rough stones and amethyst rough gemstone with .
Rare Gemstones; Ruby – Ruby is known as the king of gemstones and is the most expensive coloured gemstone available on the market. For years Rubies have been used in royal crown jewels and for investment. Ruby is an extremely hard and durable .
2010-2-9 · The retail value of coloured gemstones is estimated at US$ 10 - 15bn worldwide. Trade statistics indicate a value of nearly US$ 4bn worldwide. However, as .
While cutting a single large stone would probably result in a lower total value than cutting many smaller gemstones, there are only a handful of extremely large gem opals in the world. After evaluating the rough, I thought it would be possible to get a single fine .
Gemstone size similar to those pictured. The Big Kahuna will includes approximate 3.5 lbs. of raw gemstones with a great variety. Additionally, unique specimens are also found in this bag along with a stunning showpiece. Precious gemstones such as emeralds, garnet, and topaz are some of the beautiful gems that can be found in this bag.
Size: ~65x65 mm. Weight: 1.52lbs. Each stone is intuitively selected for the highest quality <3 Natural gemstones (wether polished or rough) may have fractures, inclusions, chips, color variations and other characteristics that make each crystal unique, special and some might potentially call "imperfect".
Input voltage:380V Motor power:5.5kW Rotation speed:1400r/min Dimension:3000*1600*1200mm Max. blade size: 60inch(1500mm) Weight: 95kg Function: adopt traveling platform,flexible, using the standard motor, large cutting strength, smooth operation, the stone stay still when cutting, it's flexible shift position of the machine for flexible cutting of the processed material.
Input voltage:380V Motor power:5.5kW Rotation speed:1400r/min Dimension:3000*1600*1200mm Max. blade size: 60inch(1500mm) Weight: 95kg Function: adopt traveling platform,flexible, using the standard motor, large cutting strength, smooth operation, the stone stay still when cutting, it's flexible shift position of the machine for flexible cutting of the processed material.
Cutting rough stones is a fundamental skill for a gemstone cutter. As a lapidary, you'll face a myriad of assorted stones: small, large, round, oval, misshapen, raw, and everything in between. As you carve, cut, shape and polish, you'll want to take care to preserve as much of the natural specimen as you can.
2010-2-9 · The retail value of coloured gemstones is estimated at US$ 10 - 15bn worldwide. Trade statistics indicate a value of nearly US$ 4bn worldwide. However, as .
Input voltage:380V Motor power:5.5kW Rotation speed:1400r/min Dimension:3000*1600*1200mm Max. blade size: 60inch(1500mm) Weight: 95kg Function: adopt traveling platform,flexible, using the standard motor, large cutting strength, smooth operation, the stone stay still when cutting, it's flexible shift position of the machine for flexible cutting of the processed material.
Rare Gemstones; Ruby – Ruby is known as the king of gemstones and is the most expensive coloured gemstone available on the market. For years Rubies have been used in royal crown jewels and for investment. Ruby is an extremely hard and durable .
Size: ~65x65 mm. Weight: 1.52lbs. Each stone is intuitively selected for the highest quality <3 Natural gemstones (wether polished or rough) may have fractures, inclusions, chips, color variations and other characteristics that make each crystal unique, special and some might potentially call "imperfect".