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2. Hematite - Wikipedia

   en.wikipedia.org/wiki/Hematite

   Hematite (/ ˈ h iː m ə ˌ t aɪ t, ˈ h ɛ m ə-/), also spelled as haematite, is a common iron oxide compound with the formula, Fe 2 O 3 and is widely found in rocks and soils. [6] Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3. It has the same crystal structure as corundum ...

3. Crystal healing - Wikipedia

   en.wikipedia.org/wiki/Crystal_healing

   Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Adherents of the practice claim that these have healing powers, but there is no scientific basis for this claim.

4. Asterism (gemology) - Wikipedia

   en.wikipedia.org/wiki/Asterism_(gemology)

   The star-effect may be also caused by the inclusions of hematite. In black star sapphire hematite needles formed parallel to the faces of the second order prism produce asterism. Some star sapphires from Thailand contain both hematite and rutile needles forming a 12-ray star. [3] Star-stones were formerly regarded with much superstition. [1]

5. Iron (II,III) oxide - Wikipedia

   en.wikipedia.org/wiki/Iron(II,III)_oxide

   Iron(II,III) oxide, or black iron oxide, is the chemical compound with formula Fe 3 O 4.It occurs in nature as the mineral magnetite.It is one of a number of iron oxides, the others being iron(II) oxide (FeO), which is rare, and iron(III) oxide (Fe 2 O 3) which also occurs naturally as the mineral hematite.

6. Heliotrope (mineral) - Wikipedia

   en.wikipedia.org/wiki/Heliotrope_(mineral)

   Ancient Roman soldiers believed that the stone had the ability to slow bleeding and wore it for this reason. [5] In India it is held that one can staunch the bleeding by placing upon wounds and injuries after dipping it in cold water, which may have a scientific basis in the fact that iron oxide, contained in the stone, is an effective ...

7. Hypochlorous Acid: What Is It and Is It Safe for Your Skin? - AOL

   www.aol.com/hypochlorous-acid-safe-skin...

   Hypochlorous acid has several benefits for skin health, says Dr. Shirazi. These include: Anti-inflammatory: It calms redness and irritation, making it helpful for conditions like acne, eczema, and ...