Locality: Sar-e-Sang, Afghanistan
Hackmanite is a fascinating mineral primarily known for its unique property of tenebrescence, which means it can change color when exposed to different types of light.
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Color: Hackmanite typically appears as a grayish-white or colorless mineral in its natural state. However, when exposed to UV light (particularly longwave UV), it can exhibit a remarkable color change, usually transforming into shades of pink, purple, or violet. This phenomenon is reversible; the color fades back to its original state when the UV light source is removed. This property is known as tenebrescence.
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Hardness: Hackmanite has a hardness ranging from 5.5 to 6 on the Mohs scale, making it moderately hard.
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Clarity: It can occur in transparent to translucent forms, though complete transparency is less common.
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Luster: The luster of hackmanite is typically vitreous to dull.
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Density: The density of hackmanite ranges around 2.55 to 2.60 g/cm^3.
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Metaphysical Properties: Hackmanite is thought to aid in emotional healing, particularly in times of stress or trauma. It is believed to promote inner peace, calmness, and balance. Due to its color-changing properties, hackmanite is often associated with transformation and adaptability. It is believed to help individuals navigate changes in life and embrace transformational experiences with ease.
Photos have not been edited or altered, just taken in different daylight conditions to show the variation in color. Pieces are held in hand to help with scale and does not necessarily represent 1 pound. Specific pieces photographed may no longer be available.