Sterlinghillite
Sterlinghillite is a hydrated arsenate mineral with the chemical formula Mn^2⁺3(AsO4)2 * 3H2O. It belongs to the orthorhombic crystal system and is classified under the Strunz system as 8.CD.25. This mineral is typically found in a soft, earthy form and exhibits a vitreous to dull luster. It is usually brown to reddish-brown in color and has a relatively low hardness of around 2 to 2.5 on the Mohs scale. With a moderate density, it is primarily associated with manganese-rich environments and is part of the broader group of arsenate minerals.
Overview
Sterlinghillite is a hydrated arsenate mineral with the chemical formula Mn^2⁺3(AsO4)2 * 3H2O. It belongs to the orthorhombic crystal system and is classified under the Strunz system as 8.CD.25. This mineral is typically found in a soft, earthy form and exhibits a vitreous to dull luster. It is usually brown to reddish-brown in color and has a relatively low hardness of around 2 to 2.5 on the Mohs scale. With a moderate density, it is primarily associated with manganese-rich environments and is part of the broader group of arsenate minerals.
Etymology
Sterlinghillite is named after Sterling Hill, the location where the mineral was first discovered. The IMA approved the name, but no specific discovery year is provided in the facts.
Occurrence
Sterlinghillite is known to occur at Sterling Hill, its type locality. Specific details about other localities are not provided in the facts.
How to recognize it
Sterlinghillite can be identified by its low hardness of 2 to 2.5 on the Mohs scale, its brown to reddish-brown color, and its earthy to vitreous luster. It has a relatively low density and may leave a brown streak when tested. It is often confused with other hydrated arsenate minerals due to similar physical properties, but its distinct color and locality of origin can aid in differentiation.
Trivia
Sterlinghillite is notable for its unique chemical composition, combining manganese, arsenic, and water in a hydrated arsenate structure. It is named after a specific location, Sterling Hill, which is rare for many minerals. Its classification under the Strunz system highlights its distinct position among arsenate minerals.
Indicative prices
Sterlinghillite is a rare mineral and is not typically sold as a gemstone or in jewelry. Prices for high-quality specimens can be indicative, depending on origin and clarity, with well-formed crystals from Sterling Hill, New Jersey, being particularly sought after. Specimen prices may range from EUR 50 to EUR 500 or more, but values vary by source and rarity.
Spiritual meaning and crystal therapy
Spiritual meaning
Sterlinghillite is a rare and gentle stone associated with introspection and spiritual growth. It is believed to support emotional healing and a deeper connection to one's inner truth.
Esoteric properties
Sterlinghillite is said to promote calmness, enhance intuition, and encourage emotional balance. It is associated with opening the heart and nurturing inner peace.
Associated chakra
Traditionally linked with the heart chakra, sterlinghillite is believed to support emotional healing and foster compassion, love, and understanding.
Crystal therapy use
Used in meditation and placed on the heart during therapy sessions, sterlinghillite is traditionally held or worn to support emotional clarity and inner harmony.
Information on crystal therapy is provided for cultural and traditional purposes only. It does not replace medical advice or treatment. Always consult a doctor for health issues.
Affirmations
Positive first-person sentences to repeat mentally or aloud while holding the crystal, during meditation or at the start of the day. They help focus intention and attune to the energy traditionally attributed to the stone.
- “I open my heart to love and healing.”
- “I trust my inner wisdom and intuition.”
- “I release emotional blockages with grace.”
Cleansing and recharging
Pulizia & Ricarica
To cleanse sterlinghillite, place it under moonlight or use sound cleansing with a singing bowl. Avoid water or salt, as it is water-soluble and may be damaged.
Guided meditation
Sit comfortably, hold sterlinghillite in your hands. Breathe deeply, focusing on your heart. Visualize a soft green light radiating from the stone, filling you with calm and compassion.
Body placement
Posizionamento sul corpo
Place sterlinghillite over the heart chakra during therapy to support emotional healing and open the heart to love and understanding.
- Corona
- Terzo occhio
- Gola
- Cuore
- Plesso solare
- Sacrale
- Radice
Feng Shui
In Feng Shui, sterlinghillite is best placed in the southeast Wealth area or the southwest Love and Relationships sector to promote emotional harmony and abundance.
Pairings with other crystals
Sterlinghillite pairs well with rose quartz to enhance heart-centered healing, and with amethyst to deepen spiritual insight and emotional balance.
Crystal bath
Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method.