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Valuing and pricing unset opal gemstone

Valuing and pricing unset opal gemstone

Valuing and pricing unset opal gemstone     People often ask us how opal is valued alluding to the fact that every opal is different. The fact that no two opals are the same make opal a unique gemstone, but this uniqueness of piece makes opal an exceedingly...
Shaping Boulder opal

Shaping Boulder opal

Just to recap, boulder opal is defined by rock (ironstone/sandstone) hosting veins of opal. The object when cutting is to expose the face of the opal vein within the rock.So how do we go about that?Once we have sorted the boulder rough opal into potential cutters it...
Sorting Boulder Opal

Sorting Boulder Opal

No shortcuts in life There are no shortcuts in life when it comes to handling boulder opal. From the moment we go to the mine, to pick up the opal bearing rocks and load into the 3 x 200 litre (44 gal) drums strapped onto the back of the truck, to the moment we...
Finishing Boulder Opal

Finishing Boulder Opal

Poly what?It’s said that necessity is the mother of invention, a saying that rang true for us when faced with the dilemma of finding a new way to finish the boulder opals we couldn’t finish in the traditional way without losing too much opal from the face and reducing...
Making boulder opal earrings

Making boulder opal earrings

It is very difficult to find two opal that look the same. Because of this it is very hard to find opal pairs in which to make earrings. At Opal Art Global we specialize in cutting boulder opal and have developed a way to make boulder opal earrings. 1. Finding opal...
Cutting Small Opal Stone 2 – Sanding and Polishing

Cutting Small Opal Stone 2 – Sanding and Polishing

In the previous video we talked about what we needed to do to prepare an opal gemstone for sanding and polishing. In this video we discuss these two processes. Sanding We sand the opal gemstone on dry sandpaper. There are two reasons for this. The first being that by...

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