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Rhyolite as a gem stone

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1dave
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Rhyolite as a gem stone Apr 6, 2022 15:23:32 GMT -5 rockjunquie, jamesp, and 3 more like this

Quote

Post by 1dave on Apr 6, 2022 15:23:32 GMT -5

JamesP

This Image is from jamesp Dec 7, 2014 at 8:40am

Dec 7, 2014 10:43:14 GMT -5 jamesp said:

Dec 7, 2014 10:43:14 GMT -5 jamesp said:

Oh yea, this is the 16 pounds before chipping, sawing, grinding and heating

3. Rhyolite Clinkers can be surrounded by agate forming spectacular patterns.
Lavic

Lavic

Lavic

4. Highly siliceous Ash Flow Tuff racing along at 300-400 mph can produce amazing Moss, Plume, and Flame patterns.
ashFlow

ashFlow

5. Metamorphic volcanic rocks such as rhyolite can also provide desirable colors and pasterns.

Indian Blanket - posted by beefjello

Imagine the material and patterns available with a little search - - -

bottom Layer

The bottom layer is like a D-8 track. foot after foot sticks to the ground, then tries to get picked up again, but is jamed up, partially stuck to the layer above and below

Spherulites

Spherulites

Last Edit: Apr 6, 2022 15:28:32 GMT -5 by 1dave

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jamesp Cave Dweller Member since October 2012 Posts: 36,607	Rhyolite as a gem stone Apr 7, 2022 5:05:10 GMT -5 1dave, hummingbirdstones, and 2 more like this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by jamesp on Apr 7, 2022 5:05:10 GMT -5 Red green blanket Chilean rhyolite

1dave
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Rhyolite as a gem stone Apr 7, 2022 12:02:15 GMT -5 RWA3006 likes this

Quote

Post by 1dave on Apr 7, 2022 12:02:15 GMT -5

Did you know - "https://academic.oup.com/petrology/article/49/1/47/1409224
Abstract: Voluminous (≥3·9 × 105 km3), prolonged (∼18 Myr) explosive silicic volcanism makes the mid-Tertiary Sierra Madre Occidental province of Mexico one of the largest intact silicic volcanic provinces known.

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Welcome to the Rock Tumbling Hobby Forum where we share a love of rocks and a sense of community as enduring as the stones we polish. The RTH Forum of www.RockTumbling.com is an Amazon Associate site and we earn money from qualifying purchases you make after clicking on our links such as this Rock Tumbling Supplies on Amazon link for instance, or any of our various product ads and banners. By clicking our links every time you begin your Amazon shopping experience, you are generating a bit of revenue for the forum which helps us cover our expenses. Thank you for your support!