Types Of Opal Rings

Australia produces various types of opals.

Types of opal rings.

Meaning that the surface is often but not always undulating people who are more progressive in their jewellery tastes prefer these stones. The opal is the central kernel and never reaches the outer edge. Boulder opal is similar to black opal except that the foreground colour is very thin and sits on a brown ironstone base. Shells of coarse hardened sandy clay with layers of opal in between.

When the parent stone is visible alongside the opal as in the pendant shown here it is called boulder matrix opal. Thin to thick seams of white or black. Most white opal have muted pastel colors. Most of this type of opal comes from the opal fields in queensland where there is a huge belt that spreads thousands of kilometers where this type of opal is produced.

Solid opal type 1 opal solid opal is a name used for a rough or cut stone that consists entirely of opal material without any host rock or other significant inclusions contained within the stone. Solid opal can be a combination of precious opal and common opal. Walnut sized concretions in a regular layer like a conglomerate. Types of australian opal.

Ironstone on which the opal formed. The material is cut and polished with the opal material still attached to the parent material e g. Boulder opal is opal that has formed along with another rock called ironstone. Boulder opal presents beautifully in jewelry of all types including men s jewelry.

Solid opal is also known as type 1 opal. This is because black opal amplifies the colors with the contrasting dark background. Black opal is the most valuable type of opal and it is predominantly found in lightning ridge.