Can you identify this?

by Nicole
(Plainfield, IL)

I was previously told, it was 477G of natural green chalcedony grape agate. Is this true ir is it something else. Very interesting looking. I have seen shades of purple and green grape agate, but not like this and the 'grapes" are so large.

Thanks!

Comments for Can you identify this?

Average Rating

Click here to add your own comments

Apr 22, 2023
Rating

Grape chalcedony NEW
by: Anonymous

It's grape chalcedony

Nov 23, 2020
Rating

Grape Agate
by: Douglas

Nicole,

It does look like grape agate. A really nice piece too. Chalcedony is a term that applies to all agates. It just means that it is microcrystalline quartz. Your piece has a boytrodial crystalline structure. That refers to the bubbly appearance, (like grapes).

Here are some ways to test the id of your specimen.

Look at a geology map of the area where you found your specimen.

Learn about reading a geology map here:

https://www.rocksandminerals4u.com/geology-maps.html

Try testing for hardness. Agate (quartz) is a 7 on the mohs scale Learn how here: Test in an inconspicuous place, this is too nice to scratch up!

https://www.rocksandminerals4u.com/properties_of_minerals.html

Click here to add your own comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Have a rock or mineral specimen that you want to share?.

Rock and Mineral Collections

Fossil and Geologic Time Book Sets

Fossil Collections

Share this page:

What’s this?

Facebook Twitter

Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

Click on the HTML link code below.
Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.