Black Glass Arrowhead?

paulk8849

Newbie
Sep 17, 2024
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I have a ranch in No CA near the coast and find points fairly often. Most are of poor quality chert, but occasionally of obsidian (closest source is 100 or more miles away. A few days ago, I was out on an excavator and after scraping a bit, saw this broken point. It very much looks like it was made from glass to me. The color and thickness is quite uniform. One side is very slightly curved but quite smooth, the other is somewhat bubbled and pitted, but still very flat. I've been on the ranch for more than 50 years and it is quite remote. It would make sense to me that this was made by a NA out of glass, after Europeans came to the west. I'd be curious to know more. The width of the point at it's widest is 1 1/4". strangely it is slightly thicker near the point than at the base. Obviously not from a round bottle, but maybe some other glass source, like a square bottle? Sorry for the poor photography. I'm obviously not a great photographer.
 

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Upvote 9
Welcome to TreasureNet, I created new thread for you, It is always best to start new thread if you are not the original poster (OP) and it is different subject, (different point with questions)
 

I saw an article years ago about the Australian Aborigines making arrowheads from the blue glass insulators used on the old telegraph lines.
Nice find made from an old wine bottle most likely we find pieces of dark glass all over our place.
That was made from a 19th century French wine bottle (west coast) . I have found those bottles at actual PNW village sites in middens.
 

I have a ranch in No CA near the coast and find points fairly often. Most are of poor quality chert, but occasionally of obsidian (closest source is 100 or more miles away. A few days ago, I was out on an excavator and after scraping a bit, saw this broken point. It very much looks like it was made from glass to me. The color and thickness is quite uniform. One side is very slightly curved but quite smooth, the other is somewhat bubbled and pitted, but still very flat. I've been on the ranch for more than 50 years and it is quite remote. It would make sense to me that this was made by a NA out of glass, after Europeans came to the west. I'd be curious to know more. The width of the point at it's widest is 1 1/4". strangely it is slightly thicker near the point than at the base. Obviously not from a round bottle, but maybe some other glass source, like a square bottle? Sorry for the poor photography. I'm obviously not a great photographer.
More than likely the black arrowhead is obsidian glass which comes from a volcano
 

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