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2. Lepidolite - Wikipedia

   en.wikipedia.org/wiki/Lepidolite

   Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals with chemical formula K(Li,Al) 3 (Al,Si,Rb) 4 O 10 (F,OH) 2. [ 2 ] [ 3 ] It is the most abundant lithium -bearing mineral [ 4 ] and is a secondary source of this metal.

3. List of minerals recognized by the International ...

   en.wikipedia.org/wiki/List_of_minerals...

   This list includes those recognised minerals beginning with the letter L.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.

4. Mica - Wikipedia

   en.wikipedia.org/wiki/Mica

   The octahedral sheet has a positive charge, since its bulk composition is Al(OH) 2+ (for a dioctahedral sheet with the apical sites vacant) or M 3 (OH) 2 4+ (for a trioctahedral site with the apical sites vacant; M represents a divalent ion such as ferrous iron or magnesium) The combined TOT layer has a residual negative charge, since its bulk ...

5. Pegmatite - Wikipedia

   en.wikipedia.org/wiki/Pegmatite

   The core of the pegmatite, known as "spotted rock", which is relatively fine-grained spodumene, microcline, and quartz, with accompanying finer-grained albite, lithium-bearing muscovite, lepidolite, microlite, and tantalite. Much of the spodumene and microcline have been extensively corroded and replaced by fine-grained micas.

6. What Is Low Testosterone & What Causes It? - AOL

   www.aol.com/low-testosterone-causes-125700734.html

   20-24 years old: 409-558 ng/dL. 25-29 years old: 413-575 ng/dL. 30-34 years old: 359-498 ng/dL ... Certain metabolic disorders, such as hemochromatosis (extra iron buildup in the body), can cause ...

7. Lepidocrocite - Wikipedia

   en.wikipedia.org/wiki/Lepidocrocite

   Lepidocrocite (γ-FeO(OH)), also called esmeraldite or hydrohematite, is an iron oxide-hydroxide mineral. Lepidocrocite has an orthorhombic crystal structure, a hardness of 5, specific gravity of 4, a submetallic luster and a yellow-brown streak. It is red to reddish brown and forms when iron-containing substances rust underwater.

8. The 25 best last-minute gifts that will still arrive by Christmas

   www.aol.com/lifestyle/last-minute-christmas...

   Lodge Cast Iron 5.5qt Red Enameled Dutch Oven. $45 at Walmart. ... We tested it with a 30-year-old and a 60-year-old, both of whom loved the sweater so much they bought a second. Order it by ...

9. List of mineral symbols - Wikipedia

   en.wikipedia.org/wiki/List_of_mineral_symbols

   More extensive lists were subsequently made available in the form of publications [2] [3] or posted on journal webpages. [ 4 ] A comprehensive list of more than 5,700 IMA-CNMNC approved symbols (referred to as IMA symbols) compiled by L.N. Warr was published in volume 85 (issue 3) of the Mineralogical Magazine (2021). [ 5 ]