Boulder Opal: The Stone of Elemental Beauty
Laura KonstShare
Boulder Opal
Pronunciation: BOWL-duh OH-puhl
Chakras: All (especially Heart and Third Eye Chakras)
Birthstone: Libra (Modern UK)
Zodiac: Libra
Month: October
Element: Earth
Planet: Venus
Affirmation: “I embrace the Earth’s vibrant energy, connecting to the kaleidoscope of life.”
Keywords: Vibrancy, Connection, Harmony, Earth Energy, Elemental Beauty
Mineral Group: Silicate
Mineral Category: Mineraloid
Mohs Scale Hardness: 5.5 - 6.5
Colours: Multicoloured (Blues, Greens, Reds, Purples)
Crystal System: Amorphous
Cleavage: None
Fracture: Conchoidal
Tenacity: Brittle
Refractive Index: 1.37 - 1.47
Specific Gravity: 1.9 - 2.5
Birefringence: None
Pleochroism: Absent
Formula: SiO2·nH2O (Hydrated Silicon Dioxide)
Safe to water cleanse? Yes
Boulder Opals unfold as nature’s captivating canvases, exhibiting a mesmerising dance of vibrant hues within the rugged embrace of ironstone. Their name is derived from the ironstone boulders in which they are found, creating a unique blend of elemental beauty. These opals hail from the ancient landscapes of Australia, where their formation weaves a tale of geological artistry.
The Spiritual Vibes
Historically cherished for their stunning interplay of colours, Boulder Opals are deeply connected to the Earth element, grounding wearers and fostering a profound connection to the natural world. Associated with the Libra zodiac, these opals resonate with the energies of Venus, infusing their vibrations with a sense of harmony.
Embrace the Earth’s vibrant energy with Boulder Opals, connecting to the kaleidoscope of life. In the spiritual realm, Boulder Opals harmonise with Heart and Third Eye Chakras, facilitating a balance between emotional well-being and intuitive insight.
Boulder Opal's Favourite Pairing Crystals
To amplify their energies, pair Boulder Opals with crystals like Rose Quartz and Lapis Lazuli. Use them in meditation to connect with the Earth’s energies, fostering a sense of grounding and elemental harmony. Whether worn as jewellery or placed in your living space, Boulder Opals radiate their vibrant energies, enhancing your connection to the Earth’s natural beauty.
Shop all Boulder Opal
If you are not sure about which crystal is best suited to you, feel free to reach out to us and we can help you in making a conscious choice about the best-suited crystals.
Contact us here

Love & Light, Laura
Related Blog Posts
Want to learn more about how to work with crystals and minerals?
Check out our other Guides:
- Chrysocolla: Express Your Truth with Serenity
- Apophyllite: Crystalline Catalyst for Transformation and Spiritual Enrichment
- Sulphur: Ignite Your Inner Fire
- 11 Best Crystals for New Year Resolutions and Fresh Starts
- The Seven Chakras Guide
- How to Awaken Your Inner Magic with Labradorite
- The Best Crystals For Stress and Anxiety
- These 5 Crystals Are The Best For Dream Recalling
- The Best Crystals For Extroverts & How To Use Them