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  2. Chrysoprase - Wikipedia

    en.wikipedia.org/wiki/Chrysoprase

    Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color is normally apple-green, but varies from turquoise -like cyan to deep green.

  3. Ring’s Car Camera Is An Impressive Security System, But ...

    www.aol.com/ring-car-camera-impressive-security...

    The Ring Car Cam combines a dash cam and security camera into one sleek auto accessory. View a live feed of your car’s interior and exterior remotely. Ring’s Car Camera Is An Impressive ...

  4. Chalcedony - Wikipedia

    en.wikipedia.org/wiki/Chalcedony

    Chrysoprase. Chrysoprase (also spelled chrysophrase) is a green variety of chalcedony, which has been colored by nickel oxide. (The darker varieties of chrysoprase are also referred to as prase. However, the term prase is also used to describe green quartz and to a certain extent is a color-descriptor, rather than a rigorously defined mineral ...

  5. Chrysocolla - Wikipedia

    en.wikipedia.org/wiki/Chrysocolla

    Generally, dark navy blue chrysocolla is too soft to be used in jewelry, while cyan, green, and blue-green chrysocolla can have a hardness approaching 6, similar to turquoise. Chrysocolla chalcedony is a heavily silicified form of chrysocolla that forms in quartz deposits and can be very hard and approach a hardness of 7. [9] [10] [11]

  6. Ring’s Cameras Make Home Security Simple - AOL

    www.aol.com/ring-cameras-home-security-simple...

    Ring has expanded its security camera Better still, they work over Wi-Fi, which means you don’t need to string a bunch of cables around your home, or set up a viewing station in the corner of ...

  7. List of camera types - Wikipedia

    en.wikipedia.org/wiki/List_of_camera_types

    The term camera is also used, for devices producing images or image sequences from measurements of the physical world, or when the image formation cannot be described as photographic: Acoustic camera which makes sound visible in three dimensions