Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
EMERALD OBSIDIANITE FROM MT. ST. HELENS MADE FROM FUSED MT. ST. HELENS VOLCANIC ROCK
EMERALD OBSIDIANITE FROM MT. ST. HELENS MADE FROM FUSED MT. ST. HELENS VOLCANIC ROCK
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random