What is a Meteorite?
Space Rocks! We look at a LOT of different types of rocks here at Unearthed, but these are truly out of this world....literally! Meteorites are both fun to collect and...
Geology Unearthed
Mineral Groups and Classifications
While you may be familiar with individual mineral names and be able to identify them based upon their general shape and color, there is another important classification of minerals based...
Petrified Wood
Everything you ever wanted to know about Petrified Wood! Have you ever seen a rock that looks strangely like wood? Maybe it has bark-like texture on the outside, or what appear to...
Crystal Color - Why Do Minerals Form In Different Colors?
Why Do Minerals Form In Different Colors? The color of a mineral is often the first thing we are drawn to when viewing a specimen. Eye-catching and vibrant colors can...
Quartz or Calcite
What is the Difference Between Quartz and Calcite? Learn how to identify the differences between these two amazing minerals! Quartz and Calcite are two very common minerals that can easily be...
Geologic Geometry
Why Do Crystals Form in Different Shapes? Ever wonder why some minerals form into nice crystal points and others form into cubes or discs? Or have you ever found a specimen...
What is a Geode?
Everything you ever wanted to know about Geodes! Have you ever seen a roundish rock that didn't look like much on the outside but had crystal points, or cool colors hiding on...
