Yes
One of the softest rocks is Talc. Talc is a mineral not a rock!Minerals are pure, rocks can be formed from one or more minerals. A piece of talc is a rock formed of a single mineral.Clays, are rocks and can be very soft.
talc is the softest rock in the world while diamond is the hardest rock
The softest rock is generally talc, with a Mohs hardness of 1, while the hardest rock is diamond, with a Mohs hardness of 10. Other common rocks fall in between, such as gypsum (2), calcite (3), quartz (7), and feldspar (6-7).
talc talc
Blue and Purple
The largest cut tanzanite in the world is the Ophir Tanzanite. The Ophir Tanzanite weighs 508.06 carats and has been recognized by GUINNESS WORLD RECORDS™ as the largest cut tanzanite in the world. The Ophir Tanzanite is owned by Ophir Collection, LLC.
Tanzanite
Locally one can find tanzanite jewelry at JCPenney. Tanzanite is a stone that is becoming more difficult to find. But one can also purchase tanzanite jewelry online at Gemvara and Amazon.
tanzanite is used for making jewellry
Tanzanite quartz, according to Crystal Age.com, is an artificially created stone that reflects intense energy. Tanzanite aura quartz is made from quartz that has went through a special process. In this process, indium, gold or niobium is used to bind with the quartz and the resulting crystals exhibit a tanzanite appearance.
Tanzanite is found in an area where there are no diamonds. Natural tanzanite is endemic only to the Mererani Hills of Northern Tanzania.
You find tanzanite @Mt.kilimanjaro tanzanian but its very rare across the world.