Matrix opal is a treated opal that comes from in Australia. It is defined as opal in host rock. The main field that produces this matrix opal is Andamooka in South Australia. The field was discover...
There are many types of rough opal from many parts of the world. Rough opal comes in many forms, shapes and sizes. In Ethiopia, opal comes in a nobby-like form that is usually brownish in tint. The...
The Lightning Ridge gem show went off without a hitch, the sun was bright but cold at night, with many people coming from all over. The all-around feeling that the gem show had was a nice easy goin...
Lightning Ridge is a tiny opal-mining town about 70 kilometres south of the Queensland border in New South Wales and 700 kilometres north-west of Sydney. The city is situated on the edge of an anci...
What type of opal cutting machines can I use?There are many cutting machines and ways to cut and polish opal. Finding the opal-cutting machine to suit you is the question that most people have on t...
There are many categories of opal when it comes to grading them out.Opals of all different colors are and have different values depending on the color it displays.You can categorize opals by using ...
Welcome back to Black Opal Direct! This week I want to take you to the heart of the opal country. To see where the best opal ever came from. As some of you may know the Cooceran opal field has bee...
White opal is a more common opal heavily marketed in the early days of opal trading, which is what most think about when they think of opal.White opal has a very light body tone to it giving the op...