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Now what?

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jeffp51:
As an early birthday gift, my brother just brought me two five gallon buckets of obsidian from California. I have only ever succeeded with bottle bottoms.  How do I reduce whole chunks? When I watch online vids, it looks like magic. It always looks so easy. What size boppers do I start with?

I might be willing to trade some rock for some tools to break it.

Zuma:
I would slab it.
Zuma

caveman2533:
I would start with a hammerstone that is not super hard and  begin taking some large flakes off. find some video about spalling.

StevenT:
You said you have been working with glass, so you know about sharp. But be warned, Obsidian is a different animal altogether and as sharp as anything you will handle. Great stuff to work with but be warned and think safety. Another thought, 2 five gallon buckets will not last long. I would hang on to it and make your own boppers. You can make a few copper top boppers for pennies and have several different sizes. Just search for copper boppers. Easy to make, cheap and they will work well on obsidian. Show us pics of what you come up with.

JoJoDapyro:
Jeff, I like to use stones vs boppers on obsidian. You can make your own boppers. I have made all of my own. What size are the chunks?

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