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2. Hematine - Wikipedia

   en.wikipedia.org/wiki/Hematine

   Hematine ring. Hematine (also magnetic hematite, hemalyke or hemalike) is an artificial magnetic material. [1] Hematine is widely used in jewelry. [citation needed]Although it is claimed by many that it is made from ground hematite or iron oxide mixed with a resin, analysis (of one object) has demonstrated it to be an entirely artificial compound, a barium-strontium ferrite.

3. Martian spherules - Wikipedia

   en.wikipedia.org/wiki/Martian_spherules

   Martian spherules (also known as hematite spherules, blueberries, & Martian blueberries) are small spherules (roughly spherical pebbles) that are rich in an iron oxide (grey hematite, α-Fe 2 O 3) and are found at Meridiani Planum (a large plain on Mars) in exceedingly large numbers.

4. Meridiani Planum - Wikipedia

   en.wikipedia.org/wiki/Meridiani_Planum

   In early the 2000s, the hematite map of Figure 1b and the confirmation (from the topography mapping done by the Mars Global Surveyor) that this area is a flat plain and relatively easy to land on were the decisive pieces of evidence for choosing the Meridiani Planum as one of the landing sites for NASA's two bigger Mars Exploration Rovers (MERs ...

5. Talk:Hematite - Wikipedia

   en.wikipedia.org/wiki/Talk:Hematite

   Hematite is part of WikiProject Rocks and minerals, an attempt at creating a standardized, informative, comprehensive and easy-to-use rocks and minerals resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.

6. Ring size - Wikipedia

   en.wikipedia.org/wiki/Ring_size

   Ring sizes can be measured physically by a paper, plastic, or metal ring sizer (as a gauge) or by measuring the inner diameter of a ring that already fits. Ring sticks are tools used to measure the inner size of a ring, and are typically made from plastic, delrin, wood, aluminium, or of multiple materials. Digital ring sticks can be used for ...

7. Roblox tightens messaging rules for under-13 users amid abuse ...

   www.aol.com/news/roblox-tightens-messaging-rules...

   The gaming platform, which reported around 89 million users last quarter, said it will allow parents and caregivers to remotely manage their child's Roblox account, view friend lists, set spending ...