What's the difference between glass and crystal?
Key difference: Glass is a generic name, while, crystal is a subcategory of glass, made in the same manner as glass but with different materials. The term crystal is often used to refer to glassware that has a more elegant form than the normal or everyday glassware.
Thereof, how do you install crystal vision?
The Crystal Vision 4-channel HD wireless security system is a true HD auto-pair system. Just plug-in and play. You will only need to mount the cameras, plug the power and turn on the DVR. It automatically pairs with each other, so your system setup will be done in 5 minutes. You can also ask how do i reset my crystal vision password? How to change system/admin password Log in using the 'admin' and go to: system setup > system admin > user > set password. From the set password, type in the old password, and type in new password for the 'admin'.
Thereof, does obsidian exist?
obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes. Obsidian is extremely rich in silica (about 65 to 80 percent), is low in water, and has a chemical composition similar to rhyolite. Obsidian has a glassy lustre and is slightly harder than window glass. Is ice a crystal?
Then, what's inside a geode?
Most geodes contain clear quartz crystals, while others have purple amethyst crystals. Still others can have agate, chalcedony, or jasper banding or crystals such as calcite, dolomite, celestite, etc. There is no easy way of telling what the inside of a geode holds until it is cut open or broken apart. Then, is sand a crystal? Yes, sand is considered a crystal, as the majority of sand is made up of quartz crystals called silica. This is not the only material that forms sand...
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