Author Topic: looking for materials (Read 5214 times)

boneaddict · « **on:** April 07, 2012, 11:05:52 AM »

I wish I could tell you the difference between chert, flint, agatized petrified wood etc. I can tell you what family fun is, and how cool it is to find materials to knap with to make your own heads....

Snapshot · « **Reply #1 on:** April 08, 2012, 07:33:23 PM »

Bone, I commend you for getting the youngsters into looking for rock. Are you coming to the Moses Lake Rock Shoot next weekend? I think you would find some folks there who you would relate to pretty well.

boneaddict · « **Reply #2 on:** April 08, 2012, 08:40:04 PM »

We'll either be on a soccer field or in a gym...... Sounds fun though! If you get any details post it up in the events, I haven't seen anything about it on here. I'll try to get some pics up tonight on what we were looking at

carpsniperg2 · « **Reply #3 on:** April 08, 2012, 08:50:35 PM »

Love the pic bone! I am always looking for stuff to Knapp! Most the stuff around here is flawed and does not Knapp well.

I will put a post up on the rock shoot in a minute. Wish I could go but it is on the turkey opener

carpsniperg2 · « **Reply #4 on:** April 08, 2012, 08:54:40 PM »

Here is the link to the info on the rock shoot.

http://hunting-washington.com/smf/index.php?topic=95832.0

If you post pictures I can help tell you some of whats what on the stone types. I am no master of the stones but know a fair bit.

boneaddict · « **Reply #5 on:** April 08, 2012, 10:12:32 PM »

COOL carp! Thanks for the link

Gobble Doc · « **Reply #6 on:** April 08, 2012, 10:45:58 PM »

Bone Addict

My kids and I were in the Everett Rock and Gem Club for several years. We had a good time. Lots of places in WA to find neat stuff. I remember one outing where I was in a hole looking for thunder eggs. My son, about 9 at the time, chucked one and it bounced off the edge of the bucket and hit me in the noggin. Most of the time it was pretty safe. I got a used rock saw and polisher and kids were really into "cabbing". It's a good hobby.

carpsniperg2 · « **Reply #7 on:** April 08, 2012, 11:49:05 PM »

Bone since you are always hooking up up with the pictures, the least I can do is share some as well.

The first picture is a group of stones that I just pulled out of my buckets to show everyone what some of the types of stone are and maybe they can help you ID some of yours.

Starting at the top working from left to right.

The top left stones are 2 pieces of chert from 2 different regions. One has orange bands threw it and the other is more of a off white color. This type of stone in found in many places but the majority of it is down in the southwest from what I have seen. This stuff is a pain to knapp and very hard to finish on. I have only had small spalls of it and one day will play more with this stone.

Stone to the right of the 2 chunks of chert is Dacite a volcanic stone a lot like obsidian. It looks a lot like obsidian and knapps like obsidian but it has almost a milky white outer shine to it. Fairly easy to knapp.

Next stone to the right is your typical flint. It can come in a lot of shades but most are grey in color. It can knapp well but if very hard to finish a great edge on as well.

Starting the next row these are 3 of my 4 favorite stones to work with. All are obsidian and the best stone to work with and knapp with. I love obsidian and it always finishes great!!! A little more brittle then say the flint and chert but makes some of the best points and is razor sharp as most know. The first stone is mahogany obsidian, the next is a brown banded, the last is one of the coolest which is snowflake obsidian. The mahogany and brown banded knapp well and turn out very cool. The snowflake is one that is a amazing stone when finished. The problem is that when the flakes get more fourmed it causes voids in the stone that makes it hard as hell to drive flakes across and they will hinge and break. The stone in the picture is about as perfect as you can get with color but yet smooth enough to knapp well.

The bottom left is your typical black obsidian easy to knapp and razor sharp. The one on the right of it is what I was talking about. It is what I find a lot of around here. It is what I called flawed black obsidian. When it cools it gets these little mineral and air pockets threw out the stone. It makes it very very brittle and hard as hell to knapp. When I first started I found a massive amount of this stone and ended up with about 10 pounds that we packed out from a few miles from the rigs. When I got it home and spalled the first flake off boy was I pissed! All of it is trash! Cool to play with but junk!

The next pic is a stone called rainbow obsidian. The is a zoomed in pic of a blade that I am working right now. It is bad luck for me to post a picture of a knife or point not finished. Everytime I do it I break it so I zoomed in to take a small pic of the color. IF this blade turn out it will be one of the coolest I have done! Beautiful blues in this stone and a lot of it! This is probably the best and coolest obsidian that one can knapp. Easy to work with and makes some great points. It and the mahogany are my faves.

Last is a pic of the work bench. I have been removing flakes from the big spalls to get them into knife and arrow head sized flakes that I can work into points.

boneaddict · « **Reply #8 on:** April 09, 2012, 01:47:34 AM »

Very nice Carp! I still haven't gotten to those pics. Thanks for being patient.

Gobbledoc. We love rocks and live kind of in rock central. Many of our family trips this summer will revolve around rock hounding. I am looking into a saw, cabbing outfit or something. We shall see what we end up with. In the meantime its family fun.

carpsniperg2 · « **Reply #9 on:** April 09, 2012, 01:52:51 AM »

If you guys ever want to head into Oregon you guys for sure should check out the glass buttes. You might have already been there but it is a killer place to rock hound!

carpsniperg2 · « **Reply #10 on:** April 09, 2012, 01:56:18 AM »

Oh and I bet with all those cool rocks, it makes for some heavy packs

boneaddict · « **Reply #11 on:** April 09, 2012, 02:03:11 AM »

Its on our list for this year. We'll see if it happens.

I spotted some chips and we went to work. I uncovered this. I thought I had hit the motherlode as my goal in life is to find a petrified log. With this shape you can imagine what I was thinking. It was soon evident it wasn't what I thought it was....

boneaddict · « **Reply #12 on:** April 09, 2012, 02:04:31 AM »

Sorry I had the macro with me...... anyways, that ended up being the bottom end of a nodule, this nodule actually

boneaddict · « **Reply #13 on:** April 09, 2012, 02:06:15 AM »

Fresh out of the ground or wet, it looks like flint. It dries and is more fragile and reminds me of chert. The outer edges take on a mud look while the inside looks flint like...... There was a vein of it with several nodules.

boneaddict · « **Reply #14 on:** April 09, 2012, 02:11:21 AM »

The Vein......

I knapped a tiny bit real quick and it was sharp enough to have blood dripping off my hand in short notice. It was very fragile. I wouldn't say its petrified wood

carpsniperg2 · « **Reply #15 on:** April 09, 2012, 02:46:32 AM »

Yeah I would have had a couple beats of my heart skip if I saw that as well!!! It is a very interesting looking stone. I am not sure what it is to be honest. It looks kinda like a petrified wood but most times they are lighter colored and have lots of different colors to them. The one picture reminds me more of flint. Hard to say what the heck it is. Next time I talk with one of the guys that knows rocks, I will show him the pics and he will probably know.

boneaddict · « **Reply #16 on:** April 09, 2012, 03:05:14 AM »

I need to research what flint is, where chert falls into the ranks, and the difference of the petrified woods. You have agatized, regular petrified and opalized. I have tried some knapping on "agatized PW" Its hard to catch an edge like obsidian, but it sure can be pretty. You have to have patience though as it fractures very "sporadically" or randomly. I think I used to know all this stuff 20 years ago, but those braincells have long since died.

boneaddict · « **Reply #17 on:** April 09, 2012, 03:07:30 AM »

most of the PW out here that is agatized is yellow or white. Even it is fantastically different in color and texture. Some is like glass and some is like "flint", or more "plastic" like. VERY hard to find knapable pieces.

boneaddict · « **Reply #18 on:** April 09, 2012, 03:11:19 AM »

from wiki.....

Quote

Flint is a hard, sedimentary cryptocrystalline form of the mineral quartz,[1][2] categorized as a variety of chert. It occurs chiefly as nodules and masses in sedimentary rocks, such as chalks and limestones.[3][4] Inside the nodule, flint is usually dark grey, black, green, white, or brown in colour, and often has a glassy or waxy appearance. A thin layer on the outside of the nodules is usually different in colour, typically white and rough in texture. From a petrological point of view, "flint" refers specifically to the form of chert which occurs in chalk or marly limestone. Similarly, "common chert" (sometimes referred to simply as "chert") occurs in limestone.

The exact mode of formation of flint is not yet clear but it is thought that it occurs as a result of chemical changes in compressed sedimentary rock formations, during the process of diagenesis. One hypothesis is that a gelatinous material fills cavities in the sediment, such as holes bored by crustaceans or molluscs and that this becomes silicified. This theory certainly explains the complex shapes of flint nodules that are found. The source of dissolved silica in the porous media could arise from the spicules of silicious sponges

Just like it is described EXCEPT how it would have been formed. NOT found in limestone or chawl POSSIBLY sedimentary or of an old swamp bed........ supposedly this area was that and thats how the PW formed as when it was covered in Basalt it didn't burn up becasue it was waterlogged. HMMMMMMMM COOL

carpsniperg2 · « **Reply #19 on:** April 09, 2012, 03:51:25 AM »

That is pretty cool! Most of the PW that I have bumped into over the years is that off white kinda yellow color. With the outside "cortex" of it being ruff and very serrated. We found a big chunk of a log when I was a kid and we had a couple of good chunks around the house when I was younger. I have no idea what happened to them. Had one cool chunk that was kinda a rootbeer colored chunk with some yellow veins threw it.

Another cool stone I plan on playing with is the mookite jasper. It's hard to find a good stone that will knapp well but when you do the blades turn out really cool!!!

There is a lot of cool stone a guy can knapp only a few really work great.

I have one beautiful stone of the dragon skin obsidian that I have wanted to work with for so long but it is hard to find and really scares me! LOL I also have a piece of the coolest banded obsidian I have ever seen in my life. Both I would like to make spear points out of. I want to get a gems buck horn and make a spear with those points if I can get them to turn out.

Gobble Doc · « **Reply #20 on:** April 09, 2012, 10:41:02 PM »

Boneaddict,

The stuff in the vein wasn't from near the Vantage diatomaceous earth mine was it? That is a fun place to get the opalized materials.

boneaddict · « **Reply #21 on:** April 10, 2012, 04:55:10 AM »

No, it wasn't. Thats on my list to visit. I want to check that out and a site above Mattawa. I found some lime green stuff out by george once that was similiar, but it was way softer and dissolved(disintegrated) after awhile of it being exposed to water or the elements.

rasbo · « **Reply #22 on:** April 10, 2012, 05:09:04 AM »

you guys would love the desert around,Arco, minidoka in Idaho..I f you ever get a chance to get out that way,bear trap,split butte and big southern..Its like another world in there,the silence is loud...all kinds of cool rock and arrow head making suff.The lava flows made some real neat places...and some big bone in the areas also..Beware of No shoulders,the place is loaded with them

boneaddict · « **Reply #23 on:** April 10, 2012, 08:00:24 PM »

Sounds like possible adventure to me

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Author Topic: looking for materials (Read 5214 times)

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