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2. Rutilated quartz - Wikipedia

   en.wikipedia.org/wiki/Rutilated_quartz

   Rutilated quartz is a variety of quartz which contains acicular (needle-like) inclusions of rutile. [1] It is used for gemstones. These inclusions mostly look golden ...

3. Rosiwal scale - Wikipedia

   en.wikipedia.org/wiki/Rosiwal_scale

   The Rosiwal scale attempts to give more quantitative values of scratch hardness, unlike the Mohs scale which is a qualitative measurement with relative values. The Rosiwal method (also called the Delesse-Rosiwal method [ 1 ] ) is a method of petrographic analysis and is performed by scratching a polished surface under a known load using a ...

4. Brinell scale - Wikipedia

   en.wikipedia.org/wiki/Brinell_scale

   The Brinell hardness is designated by the most commonly used test standards (ASTM E10-14 [2] and ISO 6506–1:2005) as HBW (H from hardness, B from brinell and W from the material of the indenter, tungsten (wolfram) carbide). In former standards HB or HBS were used to refer to measurements made with steel indenters.

5. 6 savvy ways to save more at Lowe's and The Home Depot - AOL

   www.aol.com/article/2016/03/24/6-savvy-ways-to...

   The Home Depot offers a similar match-plus-10-percent policy. Both retailers have exclusions to these price-matching guarantees, so it's important to read the fine print in the links above. 4.

6. Scratch hardness - Wikipedia

   en.wikipedia.org/wiki/Scratch_hardness

   [3] [4] The Mohs scale is based on relative scratch hardness of different materials; with talc assigned a value of 1 and diamond assigned a value of 10. [5] Mohs's scale had two limitations: it was not linear, and most modern abrasives fall between 9 and 10.; [6] [7] so, later scientists attempted to increase resolution at the harder end of the ...

7. Mohs scale - Wikipedia

   en.wikipedia.org/wiki/Mohs_scale

   For example, some sources have assigned a Mohs hardness of 6 or 7 to granite but it is a rock made of several minerals, each with its own Mohs hardness (e.g. topaz-rich granite contains: topaz — Mohs 8, quartz — Mohs 7, orthoclase — Mohs 6, plagioclase — Mohs 6–6.5, mica — Mohs 2–4).

8. American Travis Timmerman flown out of Syria after release ...

   www.aol.com/american-travis-timmerman-flown...

   A U.S. defense official told CBS News that Travis Timmerman was flown out of Syria and into Jordan by the U.S. military and handed over to the State Department.

9. Nancy Pelosi undergoes hip replacement surgery after fall in ...

   www.aol.com/news/nancy-pelosi-hospitalized...

   Democratic Rep. Nancy Pelosi, 84, underwent a successful hip replacement surgery after falling while in Luxembourg with a congressional delegation, her office said Saturday.