Labradorite:

Stone ally of practitioners and people in a context of help and listening to the person. It protects against the discomfort of others for sensitive and empathic beings.

It is associated with the throat and hand chakras. She works on fever, allergies, blood pressure, toxins, skin, hair, throat, lymph and thyroid.

Smoky Quartz:

Stone of responsibility and refocusing. It would calm too strong emotions and help concentration. It eliminates irrational fears, anxieties and inner contradictions. It strengthens self-confidence, but also the ability to open up to others and make the right decisions. It helps fight depression. It stabilizes the mood. It helps to fight any form of addiction (alcohol or drugs).

It is associated with the chakras under the feet, the root chakra and the sacral. It works on connective tissues, muscles, kidneys, pancreas and genitals.

Hematite:

Stone that develops the ability to listen. It soothes, relaxes, purifies, transmits courage and energy in difficult times.

It protects against negative energies and electromagnetic waves.

It is associated with the root chakra. It works on the liver, kidneys, spleen and consolidates iron.

Obsidian:

Stone that protects against negative energies. It is a powerful shield against harmful influences. Acting both physically and spiritually, its black color gives it an advanced degree of consciousness. Renowned for absorbing pain and trauma, it is a liberating stone.

It is associated with the 3rd eye chakra. It works on virile power and sexual vigor.