Dumortierite in Quartz from Brazil mostly smaller pieces.
Locality: Brazil
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Color: Dumortierite occurs in various shades of blue, ranging from light to dark blue.
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Hardness: It has a Mohs hardness of around 7, which is quite hard and suitable for jewelry use.
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Clarity: Dumortierite in quartz often forms as inclusions within the quartz crystals, appearing as streaks or patches. The clarity of the quartz itself can vary from transparent to translucent.
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Luster: The luster of dumortierite is typically vitreous to dull, depending on the surface finish and the presence of impurities.
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Density: Dumortierite has a density that ranges from 3.3 to 3.4 g/cm³.
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Metaphysical properties: Dumortierite is associated with enhancing mental clarity, focus, and concentration. It is believed to stimulate the brain and improve memory, making it beneficial for students and those engaged in intellectual pursuits. Dumortierite is believed to facilitate spiritual growth and inner peace. It may assist in meditation practices by calming the mind and enhancing spiritual awareness.
Photos have not been edited or altered, just taken in different daylight conditions to show the variation in color. Pieces held in hand to help with scale and does not necessarily represent 1 pound. Specific pieces photographed may no longer be available.