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from About.com Education

How to Grow a Big Alum Crystal - Simulated Diamonds

How to Grow a Big Alum Crystal - Simulated Diamonds: Alum crystals grow overnight into beautiful diamond-like jewels.

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from About.com Education

Grow a Synthetic Ruby Crystal

Grow a Synthetic Ruby Crystal: This is a crystal of potassium alum or potash alum. Food coloring was added to these crystals, which are clear when the alum is pure.

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from About.com Education

Grow a Synthetic Ruby Crystal

Grow a Synthetic Ruby Crystal: This is a crystal of potassium alum or potash alum. Food coloring was added to these crystals, which are clear when the alum is pure.

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from About.com Education

Grow a Synthetic Ruby Crystal

How to Grow Ruby Potassium Alum Crystals

from chemistry.about.com

Grow Purple Chromium Alum Crystals in This Cool Chemistry Experiment

Grow Purple Chromium Alum Crystals in This Cool Chemistry Experiment: This is a crystal of chrome alum, also known as chromium alum. The crystal displays the characteristic purple color and octohedral shape.

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from About.com Education

Instructions for Growing Naturally Colored Crystals

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from About.com Education

How to Grow a Big Alum Crystal - Simulated Diamonds

Alum crystals are probably the easiest crystals to grow. From the spice section of your pantry.

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