reÂ·ticÂ·uÂ·late. adj. 1. Resembling or forming a net or network: reticulate veins of a leaf. 2. Relating to or being an evolutionary process that involves the exchange of genes between organisms of different species, as in the formation of a new species through hybridization.
Egypt is rich in building and decorative stone, copper and lead ores, gold, and semiprecious stones. These natural resources allowed the ancient Egyptians to build monuments, sculpt statues, make tools, and fashion jewelry. Embalmers used salts from the Wadi Natrun for mummification, which also provided the gypsum needed to make plaster.
Quartz Quartz is the most abundant mineral in the crust. It has many useful properties. Fluorescent Minerals Fluorescent Minerals glow with spectacular colors under ultraviolet light. Mineral Hardness Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.Diamond: The Mineral Diamond is a mineral with unique properties and many gem and industrial uses! Fee Mining Find Minerals and Gems Dozens of sites where you can dig and keep what you find.U.S. Gemstones United States Gemstones Small mines in the U.S. produce a diversity of gemstones.ses of Gold Gold has unique properties that make it one of the most useful minerals. Rhodochrosite Rhodochrosite: a manganese mineral used as an ore, a pink gem and an ornamental stone. Herkimer Diamonds Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.