Mineralape

Edwardsite

Cu3Cd2(SO4)2(OH)6·4H2O
Monoclinic heart IMA approved

Edwardsite is a rare secondary sulfate mineral with the chemical formula copper(II) cadmium sulfate hydroxide hydrate. It belongs to the monoclinic crystal system and is classified under the Strunz system as 7.DD.30. The mineral typically exhibits a vitreous luster and is usually found in shades of green or blue. With a relatively low hardness and moderate density, edwardsite is a hydrous sulfate mineral that forms in oxidized zones of cadmium-rich ore deposits. It is part of the broader group of sulfate minerals and is notable for its complex chemical composition, which includes both copper and cadmium.

Composition

Composizione (% in peso)
O
Cd
Cu
S
  • OOxygen36.8%
  • CdCadmium28.8%
  • CuCopper24.4%
  • SSulfur8.2%
  • HHydrogen1.8%

Overview

Edwardsite is a rare secondary sulfate mineral with the chemical formula copper(II) cadmium sulfate hydroxide hydrate. It belongs to the monoclinic crystal system and is classified under the Strunz system as 7.DD.30. The mineral typically exhibits a vitreous luster and is usually found in shades of green or blue. With a relatively low hardness and moderate density, edwardsite is a hydrous sulfate mineral that forms in oxidized zones of cadmium-rich ore deposits. It is part of the broader group of sulfate minerals and is notable for its complex chemical composition, which includes both copper and cadmium.

Etymology

Edwardsite is named after Austin Burton Edwards, in recognition of his contributions to mineralogy. The mineral was approved by the International Mineralogical Association (IMA), but no specific discovery year is provided in the facts.

Spiritual meaning and crystal therapy

Mantra
Peace flows through my heart.

Spiritual meaning

Edwardsite is a rare and delicate stone, symbolizing emotional balance and harmony. It is traditionally associated with inner peace and the softening of the heart, helping one to embrace compassion and understanding.

Esoteric properties

Edwardsite is said to promote emotional healing and calmness. It is associated with soothing stress and encouraging a gentle, nurturing energy that supports emotional resilience and clarity.

Associated chakra

Edwardsite is traditionally linked to the heart chakra due to its soft greenish hues. It is believed to help open the heart to love, forgiveness, and emotional healing.

Crystal therapy use

In crystal therapy, edwardsite is used in meditation or placed on the heart chakra. It is often worn as jewelry to keep its calming energy close during daily life.

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 compassion.
  • I release emotional pain with grace.
  • I am calm and centered in all situations.

Cleansing and recharging

Pulizia & Ricarica

To cleanse edwardsite, place it under moonlight or use a sound bowl to clear its energy. Avoid water or salt, as it is sensitive to moisture and can dissolve.

Guided meditation

Sit comfortably and hold edwardsite in your hand. Breathe deeply, focusing on the stone’s gentle energy. Visualize a soft green light surrounding you, filling your heart with peace and love.

Body placement

Posizionamento sul corpo

Chakra: heart

Place edwardsite over the heart chakra (center of the chest) during therapy lay-down to support emotional healing and openness.

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

Feng Shui

In Feng Shui, edwardsite is best placed in the southeast Wealth sector or the southwest Love and Relationships sector to support emotional harmony and prosperity.

Pairings with other crystals

Edwardsite pairs well with rose quartz to enhance love and healing, and with amethyst to deepen emotional balance and spiritual insight.

Crystal bath

Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method.

Secondary chakras