· Onyx · Opal
There different ones because an opal birthstone is for October a topaz is for November
Yes, dish soaps or other harsh soaps can damage the surface of opal stones by removing their natural oils and causing them to lose their luster. It's best to clean opal stones with mild soap and water, or seek guidance from a professional jeweler for proper care.
The birthstone for October is Opal.
Coober Pedy in South Australia for Opal rough.Hong Kong for loose stones and jewellery wholesale.
The cost of an opal birthstone varies depending on factors such as size, quality, and origin of the stone. On average, you can expect to pay anywhere from $50 to $500 for a small to medium-sized opal birthstone. Higher-quality opals or larger stones can cost significantly more.
emerald,ruby,sapphire,diamond,pearl,opal
opal is one of them but i dont know the other one
The value of a 2.5 carat opal can vary significantly depending on factors such as the quality, color, clarity, and origin of the stone. In general, opals can range in price from a few dollars per carat for lower-quality stones to several hundred dollars per carat for high-quality stones. It is recommended to have the opal appraised by a professional to determine its exact value.
Contraluz is opal where you see the play of colors by illuminating the back of the stone with light as compared to most opal where the light falls on the front of the stone to see the play of fire, The contaluz opal when illuminated from behind, the stones develop a brilliant colour play.
Opal stones can range in size from a few millimeters to several centimeters in diameter. The largest opal ever found was known as the Olympic Australis, which weighed around 17,000 carats (3.4 kg) and measured about 30 cm in length.
There are a few possibilities. Jet Black opal Onyx