About Franklinite

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Keep reading to discover more about franklinite

  • Mineralogy and geology*
  • Metaphysical, Spiritual and Healing** Properties***
  • Common Associations

Mineralogy and Geology of Franklinite

Mineral formula: Zn2+Fe3+2O4

Grouping: member of the Spinel Supergroup

Crystal system: isometric

Crystal habit: Octahedral crystals common; dodecahedral less common; cubic rare.

Cleavage: none observed

Fracture: irregular, uneven, conchoidal

Color: black

Streak: reddish brown to black

Luster: metallic, sub-metallic

Diaphaneity: opaque

Moh’s scale hardness: 5 ½ - 6

Specific gravity: 5.07 – 5.22

Named after: its type locality of Franklin Furnace (now Franklin Borough), New Jersey, in 1819 by Pierre Berthier

Type locality: Franklin Furnace, New Jersey

Geological occurrence: High temperature metamorphism of Fe, Zn, Mn-rich marine carbonates.

 

Spiritual, Metaphysical and Healing Properties

Franklinite is an excellent stone for grounding and centering. It has been used to stimulate inventiveness and self-expression.

Common Associations

  • Chakra – base (root)
  • Numerology - vibrates to the number 2
  • Zodiac – Gemini
  • Birthstone – none traditional
  • Wedding Anniversary – none traditional

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* Mineralogical information is from mindat.org

** Always consult with your medical professional for any physical or long-term healing issues.

*** Metaphysical properties come from: 

Love Is in the Earth (1995) Melody, Earth-Love Publishing House, 726 pp.

The Crystal Bible, A Definitive Guide to Crystals (2003) Judy Hall, Walking Stick Press, 399 pp.

Crystal Muse (2017) Heather Askinosie and Timmi Jandro, Hay House, 285 pp.

Crystal Gridwork (2018) Kiera Fogg, Weiser Books, 128 pp.