Different types of pure honey can cover a large range of density, flammability and other characteristics. The best way to identify the purity and the authenticity of honey is to go for accredited lab test or Trust your Genuine Honey Supplier/Brand.

Few Simple tests that you may want to try at home, in order to check the purity of honey, but it would not promised a 100% reliable identification of the honey.

a. Water Test
Add honey into a glass filled with water, artificial honey will dissolve immediately, pure honey will sinks and settle at the bottom.

Or

Mix 1 part honey with 8 parts water in a clear bottle, shake well (20-30 seconds), real honey will form fine bubbles and last for hours. Real honey contains pollen, protein and colloidal, so the mixture will somehow looks cloudy and not entirely clear.

b. Paper test
Place a few drops of honey on a paper towel or napkin, pure honey will remain solid, fake honey (diluted with water) will souk through, absorbed or leave a wet mark. 

Crystallization of honey is a gifts of nature, It’s a sign that the honey you’re enjoying is genuine honey. Pure honey contain high natural glucose and fructose, which has a natural tendency to crystallize over time with no effect on the honey other than color and texture.

What’s more, the crystallization of honey actually preserves the flavor and quality characteristics of your honey.

Crystallized honey is perfectly consumable in it’s solid state, if you desire to re-liquify it, simply put the jar in warm water.