It is always important to stock Clear Quartz Tumbles. These are good clarity with hints of veils and mists. Weights are correct (+/- 5%). Other dimensions for larger.
Many buy tumbles for new collections whether child or metaphysical. Carry them in the pocket/ place in a medium spiral to wear or lay lay on the body. These will fit hemp necklaces. Dimensions are approximate.
You pick the budget, I will intuit the clear quartz tumble.