Mineralape
Sederholmite
David HospitalΒ·CC BY-SA 4.0Β·Wikimedia

Sederholmite

NiSe
Hexagonal third eye IMA approved

Sederholmite is a rare mineral with the chemical formula nickel selenide (NiSe). It crystallizes in the hexagonal crystal system and is classified in the Strunz system as 2.CC.05, indicating its sulfide mineral group. This mineral is notable for its metallic luster and typically exhibits a grayish-black to black color. It has a relatively low hardness on the Mohs scale and a moderate density. Sederholmite is a member of the sulfide mineral class, specifically the selenide subgroup, and is of interest to mineralogists due to its chemical composition and crystal structure.

Composition

Composizione (% in peso)
Se
Ni
  • SeSelenium57.4%
  • NiNickel42.6%

Overview

Sederholmite is a rare mineral with the chemical formula nickel selenide (NiSe). It crystallizes in the hexagonal crystal system and is classified in the Strunz system as 2.CC.05, indicating its sulfide mineral group. This mineral is notable for its metallic luster and typically exhibits a grayish-black to black color. It has a relatively low hardness on the Mohs scale and a moderate density. Sederholmite is a member of the sulfide mineral class, specifically the selenide subgroup, and is of interest to mineralogists due to its chemical composition and crystal structure.

Etymology

Sederholmite is named after Jakob Sederholm, a Finnish mineralogist who made significant contributions to the field of mineralogy.

How to recognize it

Sederholmite can be identified by its metallic luster, grayish-black to black color, and hexagonal crystal habit. It has a relatively low hardness on the Mohs scale, though the exact value is not specified. The streak is likely dark due to its color and composition. Its identification may be challenging due to its rarity and similarity to other metallic sulfide minerals.

Trivia

Sederholmite is a rare mineral with a unique chemical composition as a nickel selenide. It belongs to the hexagonal crystal system, which is relatively uncommon for sulfide minerals. The mineral is named after Jakob Sederholm, a notable figure in mineralogy, highlighting its historical significance in the field.

Spiritual meaning and crystal therapy

Mantra
β€œOpening light, inner truth”

Spiritual meaning

Sederholmite is a rare and mysterious stone, symbolizing the unseen and the depths of the unknown. It is traditionally associated with inner exploration and the courage to face hidden truths.

Esoteric properties

Sederholmite is said to enhance intuition and psychic awareness. It is associated with deep contemplation and the ability to connect with higher realms of understanding.

Associated chakra

Sederholmite is traditionally linked to the third eye and crown chakras, due to its deep, enigmatic energy. It is believed to support spiritual insight and expanded consciousness.

Crystal therapy use

Sederholmite is often used in meditation and placed on the third eye or crown during spiritual work. It is rarely worn as jewelry, but held during quiet reflection or placed in a sacred space.

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.

  • β€œI trust my inner vision.”
  • β€œI open to higher truths.”
  • β€œI embrace the unknown with courage.”

Cleansing and recharging

Pulizia & Ricarica

To cleanse sederholmite, use moonlight or a sound bowl. Avoid water-based methods, as its solubility in water is uncertain. Place it under the light of the full moon overnight to recharge its energy.

Guided meditation

Sit comfortably, hold sederholmite in your hands. Breathe deeply and focus on its cool energy. Visualize light flowing from the stone into your third eye, opening your inner vision.

Body placement

Posizionamento sul corpo

Chakra: third-eye

Place sederholmite on the forehead, over the third eye, or at the crown of the head during therapy lay-down to support spiritual insight and expanded awareness.

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

Feng Shui

In Feng Shui, sederholmite is best placed in the southwest sector for love and relationships or in the northeast for knowledge and spiritual growth. Its energy supports harmony and insight in these areas.

Pairings with other crystals

Sederholmite pairs well with lapis lazuli and amethyst to enhance spiritual awareness and intuition. Together, they support deep meditation and connection to higher wisdom.

Crystal bath

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

Secondary chakras

Frequently asked questions

Sederholmite is considered a rare mineral, typically found in limited locations where nickel and selenium can combine under specific geological conditions.