rjbud1
starting to spend too much on rocks
Member since November 2015
Posts: 100
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Post by rjbud1 on Nov 20, 2015 20:08:54 GMT -5
I recently was cleaning my garage and while cleaning one of the upper shelves, found a old bag of geodes and some other cool specimens of rocks. But anyways I think the rock in pictures 2 and 3 is petrified wood. I got very excited about this. But I would like some ID help, I know the first may also be an agate. Just need confirmation and ID on these 3 - thanks! I will need to post the pictures in four separate posts - it will not let me post all in one post.
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rjbud1
starting to spend too much on rocks
Member since November 2015
Posts: 100
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Post by rjbud1 on Nov 21, 2015 16:08:40 GMT -5
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rjbud1
starting to spend too much on rocks
Member since November 2015
Posts: 100
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Post by rjbud1 on Nov 21, 2015 16:11:05 GMT -5
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rjbud1
starting to spend too much on rocks
Member since November 2015
Posts: 100
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Post by rjbud1 on Nov 21, 2015 16:13:43 GMT -5
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Post by Peruano on Nov 22, 2015 9:10:02 GMT -5
rjbud1, Its really hard to id specimens with no info on texture, cleavage, hardness, locality or other info. For example the first stone could be a quartz or quartz relative if its hard, but if its soft it could be calcite or any number of other things. I'd venture that the next to last one is not pet wood but rather a layered sandstone (does it feel somewhat gritty to the touch?). You need to consult a good source of ways to identify the various forms of silicate rocks. I strongly suggest a browse through the following site. It helps identify the various possibilities and has many great photos as examples of what you are looking for. www.quartzpage.de/agate.html I consult it often to consider definitions and variations. Tom
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Post by Pat on Nov 22, 2015 10:10:04 GMT -5
Peruano That's a great website! Thanks!
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