obsidian

So I had this piece for awhile, I posted in a fossil forum about it being burnt petrified or fo fossilized wood. I started to look at it again and began to notice that it had some translucency. I then wet it and began to take more pics. The smooth side of this piece has a crazy green opal like...

I have these from collection I bought. When image searching several results that mentioned stone age tools had very similar pictures. I assume it would take someone much more intelligent then me to make correct assertion. They have a glass like sound when tapped together, a clanging sound...

When a light is shined through it, it has a very clear yellow color and ALOT of air bubbles.

When light is shined in the bigger black/green rock it has a green color and has air bubbles.

Picture of the two put together, I believe they at both possibly obsidian.

Black/Green Rock that has air bubbles in it. Possibly obsidian?

Not sure what type of stone/gem this is. Found an abundance while landscaping. Sorry I'm new to this and trying to get as knowledgeable with this as possible. Rock finding has become a hobby of my wife and myself. Any insight would be greatly appreciated.

My uncle found this conically shaped obsidian core while gardening in his backyard in Rancho Palos Verdes California. (L.A. county) near the coast. He had no idea what it was. the area where he unearthed it was at the bottom of a steep slope. He said that he has found other flakes of obsidian in...

Hi everyone, New here, I stumbled across the forum whilst looking to identify some rocks I obtained whilst beach combing. As the subject line suggests, I have narrowed it down to slag glass or green obsidian, although I am no expert so I welcome any suggestions. Hardness test - super hard...

I have dug ten's of thousands of holes in the last 5 winters at this ranch we have stayed at in east Texas (Private Property with owners consent) always keeping my eyes open for Native American Artifacts while Metal Detecting. I even hunt while taking walks with my husband as my eyes are always...

Kamchatka Neolithic Tar'inskaya culture. South and Central Kamchatka, 2nd – 1st millennium BC. for review and analysis. material - obsidian, flint, quartz, chalcedony, bone, etc.

Hi, I'm new: What is this, and is it worth anything to anybody? Thanks. Location: Foothills of Allegheny Mountains in a very, very rural hiking/hunting land owned by my family for many generations. This land is along a river and adjacent to State Game Lands in Venango County, PA. There is...

Hi, I'm new here. I'm trying to figure out what this rock is and how to sell it. Location: Foothills of Allegheny Mountains in a very, very rural hiking/hunting land owned by my family for many generations. This land is along a river and adjacent to State Game Lands in Venango County, PA...

I arrowhead hunt in the Owens Valley in California often, and two years ago I found a BEAUTIFUL obsidian arrowhead. (may be a spear point or something, i just don't know what to call it so...) I don't have any pics but it is about the size of my middle finger long, thin, and narrow. it has a...