What type of rock is moonstone?

Answer Moonstone, a gemstone also known as selenite, is a potassium aluminosilicate, belonging to a large mineral group called feldspars, which actually make up about two-thirds of all the rock on Earth.S... Read More »

Top Q&A For: What type of rock is moonstone

What type of rock is soapstone?

Soapstone, also known as steatite, is a soft rock comprised mostly of talc. Geologists classify it as a metamorphic rock because it results from an igneous rock (peridotite) being subjected to extr... Read More »

What type of rock is gypsum?

Gypsum is a sulfate mineral and not a rock. Minerals are made of specific elements and have a repeating pattern of atoms creating a crystal shape. Gypsum is made of sulfur and calcium. Rocks consis... Read More »

What type of rock is alexandrite?

Alexandrite, valued as a gemstone that changes from red to green depending on the light, is a type of chrysoberyl, the Gemological Society of America says. Chrysoberyl's chemical formula is BeAl2O4... Read More »

What type of rock is garnet?

Garnet is a type of metamorphic rock. It can be found in a variety of colors, such as red, yellow, purple and green. The birthstone for January is red Metamorphic RocksEn... Read More »