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Breaking Open a Geode to Find Quartz Crystals

| Blog, Videos | December 19, 2012

Breaking Open a Geode to Find Quartz Crystals

Breaking Open a Geode to Find Quartz Crystals

Watch this short video on Breaking Open a Geode to Find Quartz Crystals. Before video taping, we gave the geode a few hits with a hammer and screwdriver until a crack started to form. Before having it crack any more, I started to film. As you see, a small hit caused the geode to split in two. Unfortunatly, the shiny crystals in this geode are quite small, but it’s a fun experiement to do with kids. As you’ll see at the end, we were left with a few small, but shiny quartz crystals.

 
As stated in Wikipedia, geodes or more or less rounded formations in volcanic (igneous) and sedimentary rocks. Most of the what is inside a geode is quartz or calcite. While there isn’t an exact understanding of how geodes formed,the basic understanding is that the geodes formed from bubbles in volcanic rock or sedimentary, while the crystals formed later, with the slow seeping of mineral-laden water into the bubble.
 
Breaking Open a Geode to Find Quartz Crystals
 
Breaking Open a Geode to Find Quartz Crystals.

32301 total views, 4 today

Rock Cycle

| Blog, Videos | December 11, 2012

Rock Cycle

This video is a short explainer about the Rock Cycle and the three types of rocks, Igneous rock, Metamorphic rock and Sedimentary rock, and how those rocks are formed. It is a Geology educational resource for kids and adults.

Sedimentary Rock

Sedimentary rocks form at or near the Earth’s surface. Rocks made from particles of eroded sediment are called clastic sedimentary rocks, rocks made from the remains or living things are called biogenic sedimentary rocks, and those that form by minerals precipitating out of solution are called evaporites. Sandstone is an example of Sedimentary rock.
Rock Cycle

Igneous Rock

Igneous rocks begin as hot, fluid material. The word “igneous” comes from the Latin word for fire. This material may have been lava erupted at the Earth’s surface, or magma at depths below the surface. Basalt is an example of Igneous rock.
Rock Cycle

Metamorphic Rock

Metamorphic rocks form when sedimentary and igneous rocks become changed, or metamorphosed, by conditions below the surface. The four main agents that metamorphose rocks are heat, pressure, fluids and strain. These agents can act and interact in an unlimited variety of ways. As a result, most of the thousands of rare minerals known to science occur in metamorphic (“shape-changed”) rocks. Marble is an example of Metamorphic rock.
Rock Cycle

See more on the Rock Cycle, Geology and Rocks and Minerals for Kids.

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How to Post an Ad

| Videos | December 1, 2012

How to Post an Ad

How to Post an Ad

Click on the Post an Ad button near the top of the website. You must register to post an ad, it is easy and only takes 30 seconds or less. You will find you can register by clicking the Join Now button on the right hand side of the home page or you can register when you click the POST AD button.
 

 
Visit the FAQ page for more information on how to post an ad on Rocks and Minerals Trader.
 

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