The Planted Tank Forum - View Single Post - Safe rock?
Thread: Safe rock?
View Single Post
Old 02-09-2010, 10:30 AM   #8
Planted Tank Enthusiast
metageologist's Avatar
PTrader: (0/0%)
Join Date: Jan 2008
Location: Mannsville NY
Posts: 794

Originally Posted by xev11 View Post
Is this rock safe for aquarium use? I found it near my apartment building. I googled rock types and this looks sort of like Quartz diorite.
your rock is actioly a quarzite with what apears to be a mica band making what is comonly called the manhatan shist.
GEOLOGY Rocks Have A Gneiss Day
metageologist is offline   Reply With Quote