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Grow Crystals

Get information and instructions so you can grow your own crystals. You'll find recipes, troubleshooting, projects, and other resources to help you grow crystals.
  1. Crystal Facts (6)
  2. Crystal Growing Basics (12)
  3. Crystal Growing Kits (4)
  4. Crystal Growing Videos (11)
  5. Crystal Recipes (91)
  6. Crystals by Color (32)
  7. Crystals for Beginners (21)
  8. Crystals for Kids (38)
  9. Sugar Crystals and Rock Candy (10)

Crystal Projects Photo Gallery
Use this photo gallery to pick a crystal growing project based on how the finished project will look. This is an easy way to look for the types of crystals you would like to grow!

What Is a Crystal?
Get the definition for a crystal and learn about some common types of crystals.

Crystal Photo Gallery
This is a collection of photographs of crystals. Some are crystals you can grow yourself. Others are representative pictures of crystals of elements and minerals.

How to Grow Great Crystals
Do you want to grow crystals, but you aren't sure where to start or what to do to make sure your crystals turn out well? Here's some basic information on crystal growing. I've provided links to recipes so you can start growing crystals. These instructions are general, so if your recipe calls for something special (like no vibrations or dark), be...

Crystal Chemicals
This is a table of chemicals that produce nice crystals. The color and shape of the crystals are included.

Preserving Crystals
Once you have a beautiful crystal, you want to preserve it. Learn how to preserve crystals so you can keep your treasures.

Rock Candy Video Tutorial
You don't have to visit a candy store to get colorful rock candy. See how easy it is to grow your own sparkling (and tasty) rock candy crystals at home.

Alum Crystals Video
If you've ever wanted to grow crystals, but were afraid they wouldn't work, then this is the perfect crystal-growing project for you. Alum crystals are beautiful, non-toxic and are easy and quick to grow. See how you can grow your own alum crystals.

Borax Crystal Snowflakes Video
Learn how to grow borax crystal snowflakes - overnight! The crystal snowflakes make great ornaments and are safe and easy to grow. You'll even learn how to make colored snowflake crystals in this video.

Rock Candy Instructions
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.

Crystal Growing Quiz
Are you an ace at growing your own crystals? Test your knowledge about seed crystals, the factors that affect crystal growth, and crystal types with this fun multiple choice quiz.

Crystal Types - Shapes & Structures
Let's take a look at the two main ways to categorize crystal types. I've described the major crystal structures (e.g., triclinic, hexagonal) and how crystals are classified by their properties (e.g., ionic, covalent) and provided links so that you can see examples of crystal types and learn more about crystallography.

Bravais Crystal Lattices
There are 14 distinct Bravais crystal lattices. The lattices can be used to describe the geometrical symmetry of a crystal. The Bravais lattices are sometimes called space lattices.

Growing Crystals - Science Fair Project Ideas
Are you looking for a fun science fair project idea? Here are some ways you can turn crystal growing into a research project. There are links to instructions for growing different types of crystals and for designing a great science fair project, too.

Growing Crystals - Troubleshooting Common Problems
Are you having trouble growing crystals? Before you throw out your solution, read this list of common problems and fixes.

Colored Crystal Recipes
This is a list of colored crystal projects. These crystal colors are natural, not caused by food coloring or another additive. You can grow natural crystals in pretty much any color of the rainbow!

Quick Crystal Growing Projects
Grow crystals quickly and easily with these top crystal growing projects.

Seed Crystal Instructions
A seed crystal is a small single crystal that you use to grow a much larger crystal from a saturated crystal solution. This is how you can grow a seed crystal yourself.

Easy Crystals to Grow
Are you looking for an easy, safe, reliable crystal-growing project? These alum crystals may be the easiest crystals you can grow.

Green Sand Beach
Hawaii's Green Sand Beach is an unforgettable destination. Learn why the sand is green and how to get to the beach.

Gemstone Photo Gallery
See photos of rough and cut gemstones and learn about the chemistry of the minerals.

Ammonium Phosphate Crystals (Easy)
Monoammonium phosphate crystals are among the quickest, easiest, and safest crystals you can grow. Learn how to grow these crystals yourself.

Big Alum Crystal
Do you want to grow a big single crystal instead of a mass of crystals? Then try out these instructions for growing a big alum crystal. You can apply the techniques used here to grow big single crystals of other substances, too.

Bismuth Crystals
Bismuth is one of the easiest and prettiest metal crystals that you can grow yourself. The crystals have an interesting geometric hopper shape and are rainbow-colored from the oxide layer that quickly forms on them. Try these step-by-step instructions for growing bismuth crystals.

Borax Snowflake
Do real snowflakes melt too quickly? Grow a borax snowflake, color it blue if you like, and enjoy the sparkle all year long!

Calcium Copper Acetate Hexahydrate Crystals
Grow blue tetragonal crystals of calcium copper acetate hexahydrate.

Charcoal Crystal Garden
Make delicate, colorful crystals! This is a great classic crystal-growing project. You use charcoal briquettes (or other porous materials), ammonia, salt, bluing, and food coloring to grow a sort of crystal garden.

Copper Acetate Monohydrate Crystals
Grow your own blue-green monoclinic crystals of copper acetate monohydrate.

Copper Sulfate Crystals
Copper sulfate crystals are among the easiest and most beautiful crystals that you can grow. The brilliant blue crystals can be grown relatively quickly and can become quite large. Here's how you can grow copper sulfate crystals yourself.

Crystal Geode Project
Natural geodes are hollow rock formations that contain deposits of crystals. Assuming you don't have a geological timeframe to obtain a geode, it's easy to make your own crystal geode using plaster of paris, alum, and food coloring.

Crystal Spikes in the Sun
Most crystals take days or weeks to form. Use this technique if you have a sunny day and want crystals FAST!

Cup of Quick Crystal Needles
Grow a cupful of epsom salt crystal needles in your refrigerator. It's quick, easy, and safe.

Epsom Salt Crystals
Epsom salt crystals are easy to grow and form quickly. Here's what you need to know to make your own magnesium sulfate crystals.

Geode of Copper Sulfate Crystals
Geodes are rocks that contain crystals. Normally, millions of years are required for flowing water and minerals to deposit crystals, but you can make your own 'geode' in only a few days. Grow blue copper sulfate crystals inside an egg shell to make your own geode.

Glow in the Dark Alum Crystals
Alum crystals are among the quickest, easiest, and most reliable crystals you can grow. Did you know you can make them glow in the dark by adding a common household ingredient to the crystal growing solution?

Glow in the Dark Crystal Geode
It's very easy to make a glow in the dark crystal geode. The rock is a natural mineral (eggshell). You can use one of several common household chemicals to grow the crystals. The glow comes from phosphorescent paint, which you can get from a craft store.

Glow-in-the-Dark Crystal Snowflake
Learn how to make a glow-in-the-dark crystal snowflake or other glowing holiday ornament. This is a safe and easy project that's great for kids and kids-at-heart. The crystal decorations are light-weight and inexpensive to make.

Hot Ice or Sodium Acetate
Sodium acetate or hot ice is an amazing chemical you can prepare yourself from baking soda and vinegar. You can cool a solution of sodium acetate below its melting point and then cause the liquid to crystallize. The crystallization is an exothermic process, so the resulting ice is hot. Solidification occurs so quickly you can form sculptures as you pour the hot ice.

Magic Rocks - Chemical Garden
Learn about the chemistry behind magic rocks and make your own chemical crystal garden.

Mohs Scale of Hardness
The Mohs Scale of Hardness measures how well a substance resists scratching by another material. You can use this scale to test the hardness of rocks, minerals, and crystals, to help identify them.

Orange Potassium Dichromate Crystals
Do you want crystals that are naturally bright and colorful? Grow orange crystals of potassium dichromate.

Patio Table Crystals
Turn the surface of your glass patio table into a safe place for kids to explore crystals. Here's an easy crystal project you can do on any warm, sunny day using ingredients from your kitchen.

Purple Chromium Alum Crystals
Learn how to grow purple chromium alum crystals and how to grow clear crystals over a core of colored crystals.

Quick Sheet Crystals
If you don't have the time or patience to grow crystals over hours, days, or longer, try growing these sheet crystals. You'll get results in seconds!

Recrystallization Instructions
Recrystallization is a laboratory technique used to purify a sample based on the different solubilites of its components. Learn how to perform a recrystallization and get tips on how to avoid common problems and improve your product yield.

Red Potassium Ferricyanide Crystals
These are instructions for growing easy red monoclinic crystals. Don't let the 'cyanide' part of the chemical name put you off -- these crystals aren't edible, but neither are they more toxic than most other compounds.

Silver Crystals
All it takes is silver nitrate and either copper wire or mercury to grow these sparkling metal crystals.

Snowflake Chemistry
Here are answers to common questions about snowflakes. Learn how snow forms, what shapes snowflakes take, why snow crystals are symmetrical, whether no two snowflakes really are alike, and why snow looks white!

Snowflake Photo Gallery
Snowflakes take many forms. This is a photo gallery of snowflakes and ice crystals.

Snowflake Shapes
It may be hard to find two snowflakes that look identical, but you can classify snow crystals according to their shapes. This is a list of different snowflake patterns.

Sugar Crystals - Make Your Own Rock Candy
Sugar crystals are also known as rock candy since the crystallized sucrose resembles rock crystals and because you can eat your finished product. You can grow clear sugar crystals with sugar and water or you can add food coloring to get colored crystals. It's simple, safe, and fun.

Table Salt or Sodium Chloride Crystals
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.

Tin Crystal Growing Instructions
It's easy to grow crystals of tin metal using a simple replacement reaction. You can see the crystals in an hour or so, or leave them overnight for more/larger crystals.

Saturated Solution Instructions
It's easy to make a saturated solution for growing crystals. Here's a look at what a saturated solution is and how to prepare one.

Magic Rocks in Space
See the difference between crystal growth of chemical gardens (Magic Rocks) in space on the International Space Station compared with chemical growth at full gravity on Earth.

Crystallized Holiday Stocking
Grow crystals on a holiday stocking to make a glittering crystallized decoration or ornament.

Alum Crystals Photo Gallery
Alum is a kitchen ingredient that can be grown as crystals simply by mixing alum in boiling water until no more will dissolve. See examples of different alum crystals.

Make Crystals
Learn how to make crystals. This is a collection of easy crystal growing recipes, with photos of what the crystals look like and tips for how to make your crystals a success.

Can I Grow Quartz Crystals at Home?
Quartz crystals are beautiful pointed crystals that form the basis for amethyst, citrine, and other gems. If you want to grow these crystals at home, here's what you need to know.

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