Crystals were once dismissed as a hippie trend but now, the mysticism of healing crystals has gone mainstream. Goop.com spoke to Colleen McCann who knows all about these rocks, we’re highlighting her insights on the benefits of eight significant crystals. Which one is right for you? Test yourself by reading on to find out!

1. Black Obsidian

Black obsidian is a powerful crystal often used for protection and believed to help feel more grounded. It’s also often referred to as a “psychic vacuum cleaner” helping clear anything toxic from your aura.

2. Carnelian

According to McCann, Carnelian is a stone with multiple benefits when it comes to women’s health. It is believed to help ease period cramps, temper PMS, regulate menstrual cycles and treat infertility.

3. Citrine

Citrine is a beautiful orange crystal helpful to the woman who wants to move forward in her career. It is believed to help women embrace leadership roles and make things happen in business.

4. Rose Quartz

Rose Quartz is for the person looking to attract positive energy. Keep it near you to bring more feelings of self-love, love for others and overall unconditional love.

5. Lapis Lazuli

Want to be more assertive and communicate better? Lapis Lazuli is all about improving communication skills and being able to speak truths with grace and confidence.

6. Clear Quartz

Clear Quartz is often known as the master healer. It improves your energy, thoughts and puts you in touch with your intuition.

7. Amethyst

Amethyst is a beautiful purple stone that is often used to get rid of negative energy in a room. Keep it with you and you’ll also keep “energy vampires,” or people who bring you down, away.

8. Chrysocolla

Chrysocolla is often known as the Goddess Stone, and is helpful when it comes to a woman’s ability to communicate better and feel empowered. It also brings a feeling of calmness and inner wisdom.

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