What purpose is chalcedony?

Is chalcedony too expensive?

Gem silica, the most valuable type of chalcedony is available. Quality cut gemstones sell for more than $100 per carat. Gem silica is a beautiful blue gemstone, but most people have not heard of it. It is a rare gem.

Also, where can Chalcedony be found around the globe? Chalcedony is found in weathering volcanic rocks as well as sedimentary rocks. Often, it is also found with agate. Chalcedony can only be found in metamorphic or igneous rocks. It forms veins only when warm, rising silica-rich salts have percolated into cracks.

What does chalcedony look and feel like?

Chalcedony. Chalcedony is translucent or semitransparent and has a waxy shine. Although it can take many colors, the most common are white to gray, grayish blue, or a brown shade that is between pale and nearly black. A dye or heating process can often enhance the color of commercially-available chalcedony.

What does the Bible call chalcedony?

Chalcedony – The Secret Stone. The Chalcedony is the third foundational stone for the New Jerusalem as described in Revelation 21.19 (NIV). (See also The Minerals of Revelation). It is translated into Latin by "calcedonius," which is where we get "chalcedony" and is only found once in the Biblical texts.