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2. Boulangerite - Wikipedia

   en.wikipedia.org/wiki/Boulangerite

   It is a really heavy, though soft mineral, which is easily breakable, though it cannot be scratched by using fingernails due to the same hardness (2.5–3). The mineral being heavy although being soft is due to its compact mass. The cleavage is generally good. In case of the fibrous type, the fibers are flexible. It is an opaque mineral.

3. Kaolinite - Wikipedia

   en.wikipedia.org/wiki/Kaolinite

   Kaolinite (/ ˈ k eɪ. ə l ə ˌ n aɪ t,-l ɪ-/ KAY-ə-lə-nyte, -⁠lih-; also called kaolin) [5] [6] [7] is a clay mineral, with the chemical composition Al 2 Si 2 O 5 4.It is a layered silicate mineral, with one tetrahedral sheet of silica (SiO 4) linked through oxygen atoms to one octahedral sheet of alumina (AlO 6).

4. Remineralisation of teeth - Wikipedia

   en.wikipedia.org/wiki/Remineralisation_of_teeth

   P11-4 is a self-assembling β-peptide. It builds a 3-D bio-matrix with binding sites for Calcium-ions serving as nucleation point for hydroxyapatite (tooth mineral) formation. The high affinity to tooth mineral is based on matching distances of Ca-ion binding sites on P11-4 and Ca spacing in the crystal lattice of hydroxyapatite.

5. Calculus (dental) - Wikipedia

   en.wikipedia.org/wiki/Calculus_(dental)

   This leads to calculus buildup, which compromises the health of the gingiva (gums). Calculus can form both along the gumline, where it is referred to as supragingival (' above the gum '), and within the narrow sulcus that exists between the teeth and the gingiva, where it is referred to as subgingival (' below the gum ').

6. Tooth enamel - Wikipedia

   en.wikipedia.org/wiki/Tooth_enamel

   Due to the unique structure of enamel, the mechanical properties are very interesting. Enamel is the hardest material in the body and is one of the most durable load-bearing biological materials. It has been shown to have a fracture toughness three times greater than that of geological hydroxyapatite, the main mineral in enamel. [65]

7. Getting More of This Mineral Could Stave Off Dementia, New ...

   www.aol.com/lifestyle/getting-more-mineral-could...

   Researchers found that people who consumed more than 550 milligrams of magnesium each day had a brain age that was approximately one year younger by the time they reached 55, compared to someone ...