Iodine crystals are a pure substance.
Covalent crystals are not necessarily opaque. Think of diamond, pure quartz crystals, pure aluminium oxide crystals these all are colorless and transparent.
In Phantom Hourglass.
Solid iodine can be found as pure crystals.
To make pure crystals of alum from impure alum, start by dissolving the impure alum in warm water. Filter the solution to remove any impurities, and then cool the filtered solution slowly. As the solution cools, pure alum crystals will start to form. Carefully collect the crystals and allow them to dry to obtain pure crystals of alum.
One can purchase MSM powder from from many stores and online retailers. It is available to buy from Amazon, Walgreens, Holland & Barrett and from Walmart.
Pure sodium chloride crystals are colorless.
Pure sodium chloride crystals are transparent.
you have to get all the pure crystals and get zauz to build it for you
Pure crystals of sucrose are transpaent.
Pure crystals are colorless.
If your looking to buy Crystals then i have put a link in bio. Hope you will like them.