Daily Archives: April 19, 2018


Franz Karl Achard
April 20 marks the passing of Franz Karl Achard. Archard was a French natural philosopher who discovered how to get sugar from beets on an industrial scale. Napoleon’s defeat in Egypt caused the British navy to embargo cargo from reaching French ports. Any cargo ship which challenged this found their ship […]

Today in Science History – April 20 – Franz Karl ...


It takes a lot of black dye to make solid black crystals.
Black crystals can look translucent, like black diamonds or smoky quartz, or opaque, like anthracite. You can take most crystal recipes and use them to grow black crystals. The Secret to Black Crystals While it’s easy to grow crystals in rainbow colors, black is a little trickier because a lot […]

How to Grow Black Crystals