On the other hand some stones in nature are naturally river polished, which is different as it has more purpose. It charges and cleanses the stone at the same time. Doing it with a machine charges it with different energy which is not so healing.

I think the Lepidolite better looking raw, I have a beautiful piece which is more like mica form as described in the Crystal Bible as plate like layers.

Elixir for Stress-Related Physical Conditions Relief:

Stones Used:• Nephrite Jade to reduce the physical effects stress has on the body
• Lepidolite to reduce the physical effects stress has on the body
• Orange Calcite to induce physical calming

LEPIDOLITE: (Also known as Lepidolite Mica) Use at the 4th Chakra (Heart Chakra) for balance, to promote feelings of compassion, to enhance peace, calming, and tranquility during stressful times, to aid in forgiveness, to encourage harmonious relationships,  to reduce geopathic stress, to encourage feelings of comfort and safety, and to encourage new friendships to blossom.