Types Of Opal Rings

Types of australian opal.

Types of opal rings.

These types of opal can come with interesting hills and valleys on the surface. Shells of coarse hardened sandy clay with layers of opal in between. This is because black opal amplifies the colors with the contrasting dark background. Ironstone on which the opal formed.

Thin to thick seams of white or black. Meaning that the surface is often but not always undulating people who are more progressive in their jewellery tastes prefer these stones. Solid opal can be a combination of precious opal and common opal. Boulder opal is opal that has formed along with another rock called ironstone.

Australia produces various types of opals. Solid opal is also known as type 1 opal. In this video justin will take you through the four main australian opal types as well as a newly discovered one not yet gone mainstream. 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.

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. The material is cut and polished with the opal material still attached to the parent material e g. Black opal is the most valuable type of opal and it is predominantly found in lightning ridge.

When the parent stone is visible alongside the opal as in the pendant shown here it is called boulder matrix opal. Walnut sized concretions in a regular layer like a conglomerate. The opal is the central kernel and never reaches the outer edge.