223 results for arizona

If you are even remotely interested in collecting rocks and minerals, you have probably heard about the Tucson Gem, Mineral and Fossil Show.   Held every year for the last 60 years in ...

Once again, I would like to explain that, though we have been in the rock and mineral business for 40 plus years, Petrified Wood is not our specialty. However, recently we bought a HUGE collection an ...

For those interested in pursuing education and a career in mining. This may not be an exhaustive list and the information presented is taken directly off their websites, but may change at any time. I ...

The Kirkby's were well-known and well-respected in the rock and fossil world. If you have been following my blogs-you know that my foray into Petrified Wood began when we purchased an amazing collect ...

Another type of “damage” seen in Petrified Wood is from insects. Though origin and evolutionary history of this is poorly understood to date, as the fossil record is scarce, evidence for ...

Mexico is another country rich in rock and mineral resources. Unfortunately a lot of those resources remain unexplored. There is a great Trans-Mexican Volcanic Belt, which crosses the entire count ...

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 ...

Malachite, a beautifully patterned green mineral, is a copper carbonate or a copper ore. It has a hardness between 3.5 and 4. Malachite crystallizes in the monoclinic crystal system, and most of ...

Lapis Lazuli (often just referred to as Lapis) is an opaque, bright blue stone consisting mainly of Diopside and Lazurite. Lapis often has gold flecks (Pyrite) or whiteish veins (Calcite).

Copper Gemstones are stones that contain Native Copper or copper minerals. Thirteen metals occur as native elements.  Obviously gold and silver are the most well known, but Native Copper ...

Fossils are a record of a past life. They are the remains of plants and animals that lived millions of years ago. A fossil can be a part of the animal; such as the shell or bone. It can be an egg ...

Peru is one of the leading producers of copper, gold, lead and silver. Today, Peru is the largest gold producer in Latin America, and the sixth-largest worldwide, generating billions of dollars in ...