Onyx is a stone recommended during times of pain and sorrow. It’s known for balancing male and female polarity and increasing hormonal balance. It’s also said to help with objectivity and making intelligent decisions. In addition, it’s believed to help strengthen one’s bones.
In addition to the generic healing properties of Onyx, specific colours and types have additional attributes:
Black Onyx is associated with our Base Chakra.
Green Onyx is associated with our Heart Chakra.
Zodiac - Gemini, Leo 
Element - Earth

Lava stone was used by American Indians when entering battle for its qualities of strength and clarity. It’s believed to provide strength (physical and mental) when facing difficult situations.

Amazonite is a bright coloured stone known to heal the throat chakra, encourage communication, and support the thyroid. It calms the brain and nervous system and aids in maintaining optimum health. Balances the masculine and feminine energies. Amazonite helps you to see both sides of a problem or different points of view. It soothes emotional trauma, alleviating worry and fear. Dispels negative energy, aggravation and blockages within the nervous system. Amazonite assists in manifesting universal love. It protects against electromagnetic pollution and absorbs microwaves. Amazonite is beneficial in osteoporosis, tooth decay, calcium deficiency and calcium deposits. It relieves muscle spasms.
Chakras - Heart Chakra, Throat Chakra 
Zodiac - Virgo 
Element - Earth, Water