This powder is crushed garnet . Garnet is a crystal that brings and attracts love, fertility, feminine life force and attracts a passionate love or lover.
Use this in any of your cauldrons for your spell and candle magic. Put a little of this powder on the bottom of your cauldron, and then stand your spell candle in the middle. Make sure to light the bottom of your spell candle, so it grips onto the inside of your cauldron. The candle will melt into the crushed crystals, and then you can just throw the melted candle away, and keep using your crushed crystals for more candle spells.
You can also burn your cone incense on top of the crushed crystals.