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The Pottery People Present:
Mayco Jungle Gems
Mayco Jungle Gems
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Mayco Jungle Gems™ Crystal Glazes – Cone 06–04
Bring a burst of colour to your low-fire ceramics with Mayco’s Jungle Gems™ Crystal Glazes — often described as “art in a jar.” Each glaze contains tiny crystals that melt during firing, creating lively, one-of-a-kind effects as they bloom across the surface.
No two results are ever the same — every firing reveals new depth, movement, and colour combinations.
Why Potters Love Jungle Gems
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Crystals bloom into colour – glass frits melt and spread to form dramatic, organic patterns.
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Mix and layer freely – combine with Mayco Stroke & Coat®, Foundations®, or Cobblestones® for even more variation.
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User-friendly – suitable for artists of all ages; easy application and consistent results.
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Decorative finish – ideal for ornamental pieces, vases, and sculptures (not recommended for dinnerware).
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Non-toxic – safe for studio and classroom use when applied as directed.
🔥 Firing Guide
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Firing range: Cone 06 – Cone 04 (999 – 1060 °C).
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Application: Apply 2–3 even coats to bisque-fired earthenware (cone 04) using a soft fan brush (such as Mayco CB-604 #4 or CB-618 #8).
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Mix well: Crystals settle naturally — shake and stir often while applying.
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Placement matters: The crystal blooms appear where you place them. Avoid clustering crystals near the base of vertical pieces, as they may flow and stick to kiln shelves.
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At higher temperatures (up to cone 6): Base colours remain but crystals move more — producing increased flow and softer edges. Always test first on your clay body.
⚠️ Safety & Use
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Designed for decorative ware only due to natural crazing and surface texture.
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While many colours are certified AP Non-Toxic, a few shades carry a CL caution label due to copper or barium content — always check the label.
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Not recommended for dinnerware unless surface texture has fully smoothed after firing to mid-range temperatures.
Quick Tips
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For smoothest results, fire on stilts and protect kiln shelves.
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Combine multiple Jungle Gems on one piece for unique blends.
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Perfect for classrooms, workshops, and decorative projects where creative experimentation is encouraged.

Need Clay or Glaze?
Avoid delivery costs by ordering consumables with your kiln or wheel
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