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  1. Grow Purple Chrome Alum Crystals - Simulated Amethyst

  2. How to Grow Purple Chrome Alum Crystals - Science …

    May 24, 2021 · Chrome alum (chromium alum) is a safe salt that produces beautiful natural purple crystals. The octahedral crystals are easy to grow, plus you can control how dark they are, to produce crystals ranging from pale …

  3. How to Plant and Grow Allium - Better Homes & Gardens

  4. The Best Way to Grow Alum Crystals at Home - Crystalverse

  5. Chrome alum - Wikipedia

  6. 3 Ways to Grow Alum Crystals - wikiHow

    Oct 10, 2024 · Making alum crystals is an easy, fast, and fun science experiment. Making them is a safe process and only requires several household items. Using food coloring, you can alter the color of the crystals as well.

  7. How To Grow Your Own Alum Crystals - That Crystal Site

    Chrome alum crystals are purple, while normal alum crystals are transparent. When making your chrome alum crystals, it’s essential that you understand that these crystals are made with the same materials as you would normally use.

  8. What Is Alum and How Is It Used? - ThoughtCo

    May 5, 2024 · Alum refers to a collection of chemical compounds that are hydrated sulfate salts of aluminum and usually one other metal. Common forms of alum include hydrated potassium aluminum sulfate, ammonium aluminum …

  9. How to Grow a Big Alum Crystal - ThoughtCo

    Sep 1, 2021 · Chrome alum grows deep purple crystals. If you have access to the other chemicals, feel free to combine them to see what colors you get. But, check the labels for safety information. Some types of alum are non-toxic, but …

  10. Alum, Purple - Rock Shop Wholesale and Supply

    Alum, Purple. Beautiful, translucent octahedrons of Purple Alum. Medium size has approximately 1 1/2 to 1 3/4 inch octahedrons and large size has approximately 1 3/4 to 2 inch octahedrons. These don't photograph well but …