Studenitsite is a mineral that was first discovered in Serbia's Studenica mine, and is named after it. It is a rare mineral and belongs to the apatite group, containing calcium, phosphate, and oxygen. Studenitsite is made up of small, greenish-yellow crystals and has a Mohs hardness of 5.5. However, due to its rarity, not many synonyms exist for this mineral. The closest synonyms for studenitsite include apatite minerals such as xenotime and monazite or other calcium-containing minerals like aragonite and calcite. Despite the limited synonyms for studenitsite, its unique properties and rarity make it worth studying further.