Polychrome Jasper is a type of chalcedony stone which develops in massive formations. The semiprecious gemstone material was first found on the northwest coast of Madagascar in 2008, while...
Kabamba Jasper - (Page)Kabamba Jasper is a lovely green orbicular jasper from Madagascar. Kabamba Jasper is green orbicular rock from the South Africa Rift on the west side of the island of Madagascar. This...
Septarian Nodule - (Page)Septarian Nodules are actually sedimentary rock concretions. They actually look like giant mud balls, but when you break them open they have very pretty pockets of yellow. Some even have open...
Ocean Jasper - (Page)Ocean Jasper is from a silicified rhyolite ash flow off the northwest coast of Madagascar. The area is near the village of Marovato. It was discovered around 2000 and was vary plentiful at...
The Colors of Petrified Wood - (Post)The colors in Petrified Wood come from minerals present during formation. Petrified Wood may retain the details of the original wood, but often the bright colors are not common in the actual wood and
Labradorite - (Page)Labradorite has an uninteresting color of dark gray, but displays a beautiful iridescence. The iridescence displays rainbow-colored reflections known as labradorescence when light hits it in...
Origin of Rock Names - (Page)Origin of Names for Rocks and Minerals How do rocks and minerals get their names? Rock and Mineral names can be traced quite often to Greek and to Latin. It is common practice to add an "ite" to...
The Tucson Gem and Mineral Show - (Post)OakRocks has exhibited at the annual Tucson Gem Show for over 40 years! We exhibit under th ename Barlow's Gems and have shown in several locations but now have our own warehouse showplace at The Rock
All About Macrocrystalline Quartz-Part 1 The Basics - (Post)Quartz has long been the subject of spiritual beliefs and folklore. We were fortunate enough recently in acquiring a large stock of various Quartzes from several locations and have spent time explorin
Where is Petrified Wood Found? - (Post)Petrified Wood is found all over the world. Countries with well-known petrified wood deposits include: Argentina, Australia, Belgium, Brazil, Canada, China, The Czech Republic, Germany, Ecuador, Egypt