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2. Heliotrope (mineral) - Wikipedia

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

   The Gnostics wore the stone as an amulet for longevity, for wealth and courage, to strengthen the stomach, and to dispel melancholy. [6] In the Middle Ages it was considered useful for animal husbandry. [6] The ancient Greeks and Romans wore the stone to bring renown and favor, to bring endurance, and as a charm against the bite of venomous ...

3. 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 ...

4. Lapidary (text) - Wikipedia

   en.wikipedia.org/wiki/Lapidary_(text)

   Medieval or early modern lapidaries describe particular gemstones' protective and healing properties, including diamond, emerald, sapphire, amethyst, ruby, etc.Some of the stones mentioned are metals or metallic compounds such as cinnabar, hematite, calamine, and magnetite.

5. A monster diamond, ancient lipstick and erotic Roman ... - AOL

   www.aol.com/news/monster-diamond-ancient...

   The stone vessel containing a deep red mixture of minerals — primarily hematite, along with manganite, braunite and vegetable-based waxy ingredients — is “probably the earliest” example of ...

6. Rainbow lattice sunstone - Wikipedia

   en.wikipedia.org/wiki/Rainbow_lattice_sunstone

   Initially, the study of this gemstone in 1989 concluded that the inclusions were made up of ilmenite (for the iridescence lattice and black triangles) and hematite (for the orange platelets). [3] From 2017 to 2018, six samples of rainbow lattice sunstone were studied using electron microprobe analysis, X-ray diffraction analysis, and laser ...

7. Gemstones in the Bible - Wikipedia

   en.wikipedia.org/wiki/Gemstones_in_the_Bible

   It is the seventh stone in Ezekiel 28:13 (in the Hebrew text, but occurring fifth in the Greek translation). The stones is also mentioned with frequency elsewhere (Exodus 24:10, Job 28:6,16, Song 5:14, Isaiah 54:11, Lamentations 4:7; Ezekiel 1:26, 10:1). Sappheiros is also the second foundation stone of the celestial Jerusalem (Revelations 21:19).