Revelation 21-Earth Science Class!

18The wall was made of jasper, and the city itself of pure gold, as pure as glass. 19The foundations of the city walls were adorned with every kind of precious stone: The first foundation was jasper, the second sapphire, the third chalcedony, the fourth emerald, 20the fifth sardonyx, the sixth carnelian, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth chrysoprase, the eleventh jacinth, and the twelfth amethyst.

Today in Earth Science Class you are going to learn about the fourteen minerals, metals, gems, stones or variations used in the New City of Jerusalem. The test will be tomorrow!

Jasper: an opaque cryptocrystalline quartz of any of several colors; especially : green chalcedony.

Gold: a yellow precious metal, with deep lustrous yellow or yellow-brown color.

Glass: is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage.

Sapphire: a transparent precious stone, typically blue, that is a variety of corundum.

Chalcedony: is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite.

Emerald: a bright green precious stone consisting of a chromium-rich variety of beryl.

Sardonyx: is a gem variety of reddish-brown colored sard with white or black banded chalcedony or onyx, used to make cameo with the raised black, red, or brown background.

Carnelian: is a brownish-red mineral commonly used as a semi-precious gemstone. 

Chrysolite: a yellowish-green or brownish variety of olivine, used as a gemstone.

Beryl: a transparent pale green, blue, or yellow mineral consisting of a silicate of beryllium and aluminum, sometimes used as a gemstone.

Topaz: a precious stone, typically colorless, yellow, or pale blue, consisting of a fluorine-containing aluminum silicate.

Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony that contains small quantities of nickel. Its color is normally apple-green, but varies to deep green. The darker varieties of chrysoprase are also referred to as prase.

Jacinth: a reddish-orange gem variety of zircon.

Amethyst is a violet variety of quartz often used in jewelry. 

Got it? 

Don’t forget to study for the test!

Blessings, David