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Rocks And Minerals Blog

Welcome to The Site Blog. Here you will find the newest additions to, including lesson plans and student activities on rocks, minerals, and earth science.

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Jul 29, 2019

Terracotta or rock?

I'm not sure what this is. I don't it along the Long Island Sound in NY. It's solid, heavy in weight. Brownish clay color with darker spots throughout.

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Jun 12, 2019

Rocks from Central India

Specimen 1- Hardness >6, No streak, non-magnetic, no acid reaction, specific gravity- 2.6 Specimen 2- , No streak, non-magnetic, no acid reaction, specific

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Jun 12, 2019

Can someone identify this ?

Found in creek in Boyce Louisiana it has Yellow, pink,white,red,and brown colors with polished look

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May 27, 2019

Olivine Magnesium Rich Silicate

Magnesium rich olivine is a mineral formed deep within the mantle.

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May 24, 2019

Shell type pattern

I found it on the shores of Lake Huron in Ontario

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May 24, 2019

What is this metal?

I found what I thought was a rock but my metal detector beeped on it lol, I'm sorry I know nothing about metal, a magnet will not stick to it.any information

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May 24, 2019

Fire Opal

This is an Opal. I've been told that the red part is also Opal, there is Fire Opal mixed in.

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May 24, 2019

Green Tourmaline or Emerald??

I've had this specimen for many year. I've been told it is either Green Tourmaline or Emerald. It is about the size of a lemon.

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Mar 10, 2019


Jasper is a very unique and revered stone.

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Feb 21, 2019

50th Annual Gem and Mineral Show - Fredericksburg Rockhounds

January 19-20 2019. Fredericksburg Texas, Ladybird Johnson Park - Pioneer Pavillion. Free Admission, Sat 9-5, Sun 10-4 For more information www.FredericksburgRockhounds.or

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INTERESTED IN MORE? IF SO, YOU MAY WANT TO CHECK OUT OUR OTHER SITES: - Our online fossil and mineral rock shop. - An educational site about fossils.