Crystal vibrations and strength depend on the individual crystal. I have tumbled stones that have as much energy as my raw crystals. You may find that tumbled stones may be easier to carry while raw stones may be more beneficial for other purposes like gridding a home. It is matter of personal choice and the specific crystal in question.
I hope that crystals grace your journey with love and light.
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*Disclaimer – Crystals are not a medical treatment and should not be used as a replacement for medical care. Please consult your healthcare specialist for your particular needs.