276 results for tree

Although "tree" is a common word, there is no universally recognized definition of what a tree is.  As I continue my pursuit in learning about Petrified Wood, I realize that there aren’t a ...

Below I will discuss what Petrified Wood actually is and how it is formed. Recently we bought a very large collection of Petrified Wood mostly self-collected in the Southwest United States from the 1 ...

This is a piece of petrified forest floor! It is from the Kirkby collection and it was self-collected sometime in the 1930's to the 1960's. On the back a handwritten note says: “6472-Tsuga sp.

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 ...

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 ...

The Petrified Forest National Park is located in Northern Arizona. It is located 26 miles east of Holbrook and just off of I40. In northeastern Arizona, a badlands desert known as The Painted Desert ...

Tree Agate is a form of Dendritic Agate. Tree Agate is a chalcedony with dendrite inclusions of moss colored green minerals. Tree Agate is an unusual agate as it is usually opaque white and doesn' ...

Petrified Wood is also known as fossilized wood. The name Petrified Wood comes from the Greek root petro meaning "rock" or "stone", so stone wood or wood turned into stone. It is technically a ps ...

Moss Agate is so named for its mossy shaped or bush like inclusions. These are usually formed with mineral impurities, and are often growths of iron or manganese oxides. Moss inclusions are gener ...

Dendritic Agates have very thin tree-like inclusions of iron, manganese, or other metallic oxides that grow in natural fractures. These inclusions called dendrites were named after the Greek word ...

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 ...

Brazilian Agate and Piranha Agate are some of the most beautiful banded agates ever found. Brazil has the most massive deposits of agate in the world and they are mostly found in southern Brazil.