Take it to a jeweler. They can clean jewelry much better than you can at home. Any type of porous stone can get stains like this, such as opals, emeralds, etc, and they need cleaned and oiled periodically.
Hope this helps!
at home you can clean them by using soft cloth dipped in any oil( olive oil or cod-liver oil are best)
keep it away from dust and other hard stones.
polish it regularly with oil.
agate streak is white like most .
Agate can be found in several colours - white to dark grey, pale to mid blue, pale orange to vivid red, black. Agate is a form of silica with a micro-crystalline structure.
A ROCK SHOP that sells minerals and crystals will often have agate in different forms,. One of the best in NYC is called ROCK STAR CRYSTALS in Manhattan. They have more AGATE in a variety of forms than any other store run NYC, including Agate Geodes, Agate Bookends, Agate Slices in various sizes, Agate Pyramids and Spheres, Agate Massage Wands, Agate Jewelry, and even Agate Windchimes. You might also find agate bookends and agate coasters at a home furnishing store, but it's uncommon.
Agate is a type of chalcedony composed of cryptocrystalline silica. Its value can vary widely depending on factors such as color, clarity, size, and any unique patterns or inclusions. Common agate can range from a few dollars to a hundred dollars per piece, while rarer and higher-quality agate can command prices in the hundreds or even thousands of dollars.
Mariano Agate was born in 1939.
May Agate died in 1960.
May Agate is 5' 5".
what type of rock is agate
Agate is a form of silicon dioxide.
Katrina Agate is 4' 3".
Moss Agate and Turritella Agate
Agate is not an element, so it has no specific atomic number. Agate is a specialized crystalline form of silicon.