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Advice tumbling garnets

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omenica
off to a rocking start

Member since April 2024
Posts: 2

Advice tumbling garnets Apr 25, 2024 14:18:10 GMT -5

Quote

Post by omenica on Apr 25, 2024 14:18:10 GMT -5

Hello, I’m looking for some advice. I have some hexagonal garnets I collected from two localities, Omenica Mountains in Northern BC, and Austrian Alps by the Zillertal Valley. I bought a 4T vibratory tumbler and I started with the Omenica stones mixed with 5 tablespoons of a metallic looking 80 grit, 8 ozs of plastic pellets and used a sprayer to moisten the mixture. The smaller stone got cleaned but the larger ones (10 carat size) didn’t get close to having the micaceous matrix removed from the surfaces.

I have zero experience so any help would be greatly appreciated.
I thank any responder in advance.

quartz
Cave Dweller

breakin' rocks in the hot sun

Member since February 2010
Posts: 3,359

Advice tumbling garnets Apr 25, 2024 21:19:07 GMT -5 Starguy likes this

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Post by quartz on Apr 25, 2024 21:19:07 GMT -5

No need to use any padding in the rough stage, you're just grinding the plastic down, need the garnets to rub on each other. I've never done garnet in other than a rotary tumbler, vibes {I do have one} don't seem to shape rock as well as a rotary in rough stage, and increased wear on the barrel. No matter how you do it, garnets are harder than, well real hard, it's going to take a while. Be patient.

Larry

Starguy driving up their electric bill Member since January 2014 Posts: 2,580	Advice tumbling garnets Apr 26, 2024 0:56:22 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Starguy on Apr 26, 2024 0:56:22 GMT -5 I’ve tumbled some Idaho garnets but rotary rumbling only. It sounds like you are on the right track. Like Larry said, you don’t need plastic until polish.
	Brent

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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!