Have you seen resin art Geodes? They are beautiful and full of colors (click here to see some of my favorite resin art geodes!) Art that is geocentric seems to be on the rise! I have seen everything from geode ring boxes, geode cakes, geode tumblers and geode bookends (which are SO cool!) I wanted to share with you all how you can make coasters in the shape of a geode!

CLICK HERE for my 3D resin geode tutorial! I learned this from The Frugal Resinista!

A Geode is “a nodule of stone having a cavity lined with crystals or mineral matter” – Mirriam Webster Dictionary

The more colors and sparkle you can add to your geode shape coaster mold the more geocentric your coasters will look!

Affiliate disclosure: “This post contains affiliate links, which means I receive a small commission, at no extra cost to you, if you make a purchase using this link.”

Supplies for Making Geode Shape Resin Coasters

  1. Square Resin Geode Coaster Mold
  2. Stonecoat Countertops Epoxy
  3. Mica Powders
  4. Paint Pen
  5. Disposable Cups
  6. Popsicle Sticks
  7. Heat Gun

Steps to Making Resin Geode Shape Coasters

Begin with a clean square geode coaster mold. Make sure mold is free of any lint.

square resin geode coaster mold

NOTE: please wear disposable gloves.

Mix resin according to manufacturer’s packaging. Typically this is a one to one ratio. Mix equal parts of A into equal parts of B. Stir with popsicle stick for 2 minutes.

When resin is mixed you are ready to add your colors! I chose a light silver and almost a periwinkle color for this project. Pour the clear resin into two separate plastic cups. Add each color of mica powder to a separate cup of resin. Mix mica powder until incorporated into the resin.

OPTIONAL: You can add glitter to this step if you want more sparkle!

how to mix mica powder to epoxy resin

Once mica powders are fully incorporated you are ready to pour them into your mold! Pour the color resin in different swirl designs in the mold. You can use a popsicle stick to swirl the colors together! Use a heat gun to pop any bubble and help spread out the resin even more.

resin art tutorial how to make resin geode coasters with mica powder

Make sure resin had been poured almost to the very top of each mold. Once your have enough resin poured and you are happy with your resin art design let the coasters cure over night. Allowing them to cure over night will ensure they are hard and easy to unmold!

Yae! This is the exciting part! Unmolding your resin art Geode Coasters! Remove coasters from mold! They should look similar to the picture below!

how to make square resin geode shape coasters

Great job you did it!!

Do you like this resin geode coaster tutorial? If so leave me a comment below! I’d love to hear your thoughts! 🙂

CLICK HERE to make your own Iceberg Resin Coasters

CLICK HERE for how to make your own coasters with candy!

How to make your own geode resin coasters
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