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Sinnerite
David Hospital·CC BY-SA 4.0·Wikimedia

Sinnerite

Cu6As4S9
heart IMA approved

Sinnerite is a sulfosalt mineral with the chemical formula copper tetraarsenic nonasulfide. It belongs to the Strunz classification 2.GC.10 and crystallizes in the monoclinic system. The mineral is typically dark red to black in color and exhibits a metallic luster. It has a relatively low hardness of approximately 2 to 2.5 on the Mohs scale and a moderate density. Sinnerite is part of the sulfosalt mineral group, which includes compounds that combine sulfur with both metal and non-metal elements in complex structures.

Composition

Composizione (% in peso)
Cu
As
S
  • CuCopper39.3%
  • AsArsenic30.9%
  • SSulfur29.8%

Overview

Sinnerite is a sulfosalt mineral with the chemical formula copper tetraarsenic nonasulfide. It belongs to the Strunz classification 2.GC.10 and crystallizes in the monoclinic system. The mineral is typically dark red to black in color and exhibits a metallic luster. It has a relatively low hardness of approximately 2 to 2.5 on the Mohs scale and a moderate density. Sinnerite is part of the sulfosalt mineral group, which includes compounds that combine sulfur with both metal and non-metal elements in complex structures.

Etymology

Sinnerite is named after Rudolf von Sinner, a notable mineralogist. The IMA approved the name for this mineral, but the specific year of discovery or naming is not provided in the facts.

How to recognize it

Sinnerite can be identified by its dark red to black color and metallic luster. It has a hardness of 2 to 2.5 on the Mohs scale, making it relatively soft. The streak is likely dark red or black. Due to its low hardness and metallic appearance, it can be confused with other sulfide or sulfosalt minerals, but its specific gravity and chemical composition can help distinguish it.

Spiritual meaning and crystal therapy

Mantra
I release and renew.

Spiritual meaning

Sinnerite is traditionally associated with transformation and spiritual awakening. It is believed to help release old patterns and embrace new beginnings on one's spiritual journey.

Esoteric properties

Sinnerite is said to support emotional healing and inner strength. It is associated with clearing energetic blockages and promoting a sense of calm and clarity during times of change.

Associated chakra

Sinnerite is traditionally linked to the heart chakra due to its copper content and is believed to support emotional balance and compassion. It may also resonate with the solar plexus chakra for personal empowerment.

Crystal therapy use

Sinnerite is often used in meditation or placed near the heart or solar plexus during therapy sessions. It is also worn as jewelry to carry its supportive energy throughout the day.

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 embrace change with grace.
  • I release what no longer serves me.
  • I trust my heart’s wisdom.

Cleansing and recharging

Pulizia & Ricarica

To cleanse sinnerite, place it under moonlight or use sound cleansing with a singing bowl. Avoid direct sunlight or salt, as these may damage the stone. Bury it in soil overnight for grounding energy.

Guided meditation

Sit comfortably, hold sinnerite in your hands. Breathe deeply, focusing on its energy. Visualize a warm light cleansing your heart and solar plexus, inviting clarity and strength.

Body placement

Posizionamento sul corpo

Chakra: heart

Place sinnerite on the heart chakra (chest) or solar plexus (upper abdomen) during therapy to support emotional healing and personal empowerment.

  • Corona
  • Terzo occhio
  • Gola
  • Cuore
  • Plesso solare
  • Sacrale
  • Radice

Feng Shui

In feng shui, sinnerite is best placed in the southeast sector for wealth and abundance, or in the southwest for love and relationships, promoting emotional balance and renewal.

Pairings with other crystals

Sinnerite pairs well with rose quartz for emotional healing and with citrine for positive transformation. Together, they support heart-centered change and personal growth.

Crystal bath

Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method. Let the bath water run while visualizing its energy cleansing and renewing your space.

Secondary chakras

Frequently asked questions

Sinnerite is considered a rare mineral, typically found in limited localities, and is not commonly encountered in the mineral market.