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-   -   Help with rock identification (http://www.plantedtank.net/forums/showthread.php?t=222322)

tekkguy 01-23-2013 02:14 AM

Help with rock identification
 
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Even my Google-fu is stumped with this one. I inherited a rock collection from my great grandfather about 20 years ago. I'm thinking of using some of it in a tank.

Does anyone know what this rock is? I have some vinegar to test it with, but nothing stronger. I have enough of this rock to use it as my hardscape with some driftwood, but I'm trying to ID it first!

tekkguy 01-23-2013 03:01 AM

Someone on a local forum identified this as rose rock. I think she's right! Anyone know if it's aquarium safe?

Actually, it looks like it is specifically "Desert Rose" - http://en.wikipedia.org/wiki/Desert_rose_%28crystal%29

lochaber 01-23-2013 08:52 PM

I think you found the right wiki page for it.

I wouldn't stick it in an aquarium. gypsum won't hold up to water, and even if it doesn't affect your water pH/hardness, it will breakdown/dissolve. And that looks like a pretty nice sized piece. It would be a shame to see it damaged/destroyed. :(

tekkguy 01-23-2013 11:07 PM

Quote:

Originally Posted by lochaber (Post 2328682)
I think you found the right wiki page for it.

I wouldn't stick it in an aquarium. gypsum won't hold up to water, and even if it doesn't affect your water pH/hardness, it will breakdown/dissolve. And that looks like a pretty nice sized piece. It would be a shame to see it damaged/destroyed. :(

Yeah, that's kind of what I was thinking. That piece is probably about 5 inches across. It's the biggest one in my collection. I have chunks down to the size of my thumbnail. Looks like I'll just be cleaning them up and displaying them instead!

MABJ 01-23-2013 11:23 PM

I've got different hues of rose rock in my collection. It is very pretty


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