The energy of ametrine works with your higher consciousness by clearing the mind so you can focus more intently during meditation.
It can also work with reducing stress and tension you may be experiencing.
The ametrine crystal works well with the 3rd eye chakra.
Tumbled stones are polished pieces of crystal that were originally a rough piece of crystal stone that has been placed in a rock tumbler which tumbles the crystal until the edges and surface are smooth and polished.
Weight: 5 - 7 grams
Measurements: 2.5 cm - 2 cm approx.
Each piece will be different