Officers said: "The site is Site of Special Scientific Interest (SSSI) protected and quarrying of Blue John is strictly controlled. "Theft of this rare fluorite not only harms the natural ...

A police spokesperson said: “The site is an SSSI (Site of Special Scientific Interest) protected and quarrying of Blue John is strictly controlled. “Theft of this rare fluorite not only harms ...

Blue John, a variety of fluorite, has a purple-blue and yellow colour and has historically been used in jewellery and ornaments. The area where the mineral forms is protected as a Site of Special ...

The search followed “a number of suspicious incidents” at Castleton in Derbyshire, where the mineral is found in a select few locations. Blue John, a variety of fluorite, has a purple-blue and yellow ...

Around 60kg of Blue John was recovered after Derbyshire Police’s Rural Crime Team searched an address in the Greater Manchester area. Two men have been arrested on suspicion of stealing a rare ...

Two men were taken into custody. READ MORE A 28-story tower and new student complex: The key developments planned for Manchester Blue John, a variety of fluorite, has a purple-blue and yellow ...