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  2. Cubic zirconia - Wikipedia

    en.wikipedia.org/wiki/Cubic_zirconia

    If the concentration of Y 2 O 3 is between 2.5-5% the resulting product will be PSZ (partially stabilized zirconia) while monophasic cubic crystals will form from around 8-40%. Below 14% at low growth rates tend to be opaque indicating partial phase separation in the solid solution (likely due to diffusion in the crystals remaining in the high ...

  3. Yttria-stabilized zirconia - Wikipedia

    en.wikipedia.org/wiki/Yttria-stabilized_zirconia

    Yttria-stabilized zirconia (YSZ) is a ceramic in which the cubic crystal structure of zirconium dioxide is made stable at room temperature by an addition of yttrium oxide. These oxides are commonly called "zirconia" ( Zr O 2 ) and "yttria" ( Y 2 O 3 ), hence the name.

  4. Zirconium - Wikipedia

    en.wikipedia.org/wiki/Zirconium

    The most common oxide is zirconium dioxide, ZrO 2, also known as zirconia. This clear to white-coloured solid has exceptional fracture toughness (for a ceramic) and chemical resistance, especially in its cubic form. [37] These properties make zirconia useful as a thermal barrier coating, [38] although it is also a common diamond substitute. [37]

  5. Zircon - Wikipedia

    en.wikipedia.org/wiki/Zircon

    Transparent zircon is a well-known form of semi-precious gemstone, favored for its high specific gravity (between 4.2 and 4.86) and adamantine luster. Because of its high refractive index (1.92) it has sometimes been used as a substitute for diamond , though it does not display quite the same play of color as a diamond.

  6. Diamond simulant - Wikipedia

    en.wikipedia.org/wiki/Diamond_simulant

    Cubic zirconia can be coated with diamond-like carbon to improve its durability, but will still be detected as CZ by a thermal probe. CZ had virtually no competition until the 1998 introduction of moissanite (SiC; silicon carbide). Moissanite is superior to cubic zirconia in two ways: its hardness (8.5–9.25) and low SG (3.2).

  7. 13 Things You Should Never, Ever Carry in Your Wallet - AOL

    www.aol.com/finance/13-things-never-ever-carry...

    5. Excess Cash. Walking around with a fat wallet of cash feels good, but if you lose your wallet, the odds of keeping your green aren’t good. Besides, if you’re out and about and a potential ...

  8. Parents Accused of Leaving Toddler in Closet Overnight with ...

    www.aol.com/parents-accused-leaving-toddler...

    December 9, 2024 at 8:31 AM. Two Indiana parents are in custody after allegedly leaving their 2-year-old daughter in a closet overnight with a space heater turned all the way up.

  9. Baddeleyite - Wikipedia

    en.wikipedia.org/wiki/Baddeleyite

    Baddeleyite is a rare zirconium oxide mineral (ZrO 2 or zirconia), occurring in a variety of monoclinic prismatic crystal forms. It is transparent to translucent, has high indices of refraction, and ranges from colorless to yellow, green, and dark brown.

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