I use them at cone 6 (midrange), and the answer is yes, but not a lot. Of course it will also depend on how thick the glaze is applied. I don't use them near the bottom of any pieces where it may run onto the kiln shelf. Rather, I use them at least an inch or more away from the bottom to give it space. Your experience may differ, and I recommend experimenting to get a good feel for how they act before putting them on pieces you really care about. Good luck!

Can these be fired at Cone 5?

Recommend cone 06-5; cone 6-10 the effects may not be as desired.

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Mayco Jungle Gems Crystal Glaze Set 4 oz- 12 Jars Classroom Pack for Ceramics, Pottery, Painting, Artists, Teachers

Product ID: 436521555

🌈12 vibrant colors

💎Unique crystal bloom effects

🔥Cone 06-10 versatile firing

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Description

💥 Ignite your art with Jungle Gems—where every glaze tells a story!

CLASSROOM READY PACK - 12 jars of 4 oz each, perfect for artists, teachers, and creative teams aiming to inspire.
DYNAMIC CRYSTAL BLOOM - Glass frit crystals melt and bloom uniquely with every firing—no two pieces are alike.
FLEXIBLE FIRING RANGE - Works beautifully from Cone 06 to Cone 10, adapting to your kiln’s style and temperature.
EFFORTLESS APPLICATION - Fluid base glaze ensures smooth crystal flow—just shake, stir, and apply three coats for stunning results.
UNLEASH YOUR CREATIVITY - 12 dazzling colors to transform every ceramic piece into a masterpiece.

The Jungle Gems Crystal Glaze Set includes 12 vibrant 4 oz jars featuring unique glass frit crystals that bloom during firing, creating one-of-a-kind ceramic finishes. Suitable for firing between Cone 06 and Cone 10, this versatile glaze kit is ideal for artists, teachers, and pottery enthusiasts seeking dynamic, colorful effects in their work.

Specifications

ASIN	B0B117L7MV
Best Sellers Rank	#52,645 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #92 in Ceramics Glazes
Customer Reviews	4.7 4.7 out of 5 stars (122)
Date First Available	May 10, 2022
Item Weight	5.61 pounds
Item model number	CG-KIT2/2
Package Dimensions	10.24 x 7.48 x 3.7 inches

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₨3155

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