Pete’s Christmas Rock Quiz Picture #11. Arkosic sandstone/comglomerate; call it a fine-grained, angular conglomerate or a coarse-grained sandstone; a sedimentary rock. An arkose is a sandstone that contains feldspar fragments. Not sure exactly where or which rock formation it’s from; somewhere in the foothills near Denver.2. Shale; not certain where it’s from or its age; somewhere in Colorado (hey, it just happened to be there in the picture). It fizzes slightly in acid, hence, it’s a…See More
"Answers to Rock Quiz, Picture #2
1. Agate (thunderegg), St. Egidien, Saxony, Germany.
2. Orthoclase feldspar crystal (Carlsbad twin), in volcanic rock matrix; Jarilla Mountains, Otero County, New Mexico [agreed, I couldn’t expect anyone to…"
"Answers to Pete’s Christmas Rock Quiz
1. Arkosic sandstone/comglomerate; call it a fine-grained, angular conglomerate or a coarse-grained sandstone; a sedimentary rock. An arkose is a sandstone that contains feldspar…"
"Thanks for adding the note and link. From the various comments that had been made on the Rockhounds list about this, I was quite impressed by the number, and size, of stone spheres on display at various museums and buildings around the country…"
"I am fascinated by the simple design and function of these spheres. I thought I'd send you a link I've enjoyed.
I put them on my travel plan. Great to see them in action.
A Kugel ball is…"
"The "twin" to this stone is located in Lansdale, PA. It's located in the town square, with a lengthy history.
It's called a "Kugel Ball"...and sits on a high pressure jet stream (with surrounding fountain jets). Their…"
Actually, I don't know your friends here. I do attend the annual Gem/Mineral show hosted by one of the two groups. The Dry Dredgers. They seem to be so focused on fossil hunting, and family events (too slow/safe for me), I haven't joined. The Cincy Min Soc. is primarily over 75. I seem to do better searching on my own lol.
I actually live in Newport, but for comforts sake, I just say Cinci lol. 3 minutes to downtown, it seems fair.
I wanted to ask you about the Peridotite. Might you have a small sample for sale? I have a collection of nearly 3,000 rough/cut specimens and focus on TN's and Micromounts when I can. I'd be delighted. Let me know, either here, or directly at: