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| style="height:20px; width:200px; text-align:center;" |Granite is an [[igneous]] rock with large interlocking [[Grain (Rock)|grains]].
| style="height:20px; width:200px; text-align:center;" |Gabbro is an [[intrusive]] [[igneous]] rock.
| style="height:20px; width:200px; text-align:center;" |Diorite cools very slowly underground so it has large [[crystal]]s.
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|[[File:Pumice.png|center|200px]]
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| style="height:20px; width:200px; text-align:center;" |Basalt forms from [[lava]] so it is an [[extrusive]] [[igneous]] rock.
| style="height:20px; width:200px; text-align:center;" |Obsidian is an [[igneous]] rock that cools so quickly that [[crystal]]s don't have any time to form at all.
| style="height:20px; width:200px; text-align:center;" |Pumice bursts out of [[Volcano]]es and gives of [[gas]]es that make bubbles inside making it look like a sponge.
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