Siderite From Minas Gerais, Brazil- Collectors Piece Natural The opal-like ammolite colour tones

The opal-like ammolite colour tones are red

Ocean Jasper alleviates stress and induces tranquillity

It gives us support during hard times and increases our ability to handle stress and great sorrow

A rare type of sapphire

Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F

Siderite From Minas Gerais, Brazil- Collectors Piece Natural The opal-like ammolite colour tonesSiderite From Minas Gerais, Brazil Collectors Piece (Stand Included) Weight 70g Size 5cm by 3cm Thickness 1. 5cm Siderite is a mineral composed of iron(II) carbonate. Siderite is both an iron ore and gangue mineral. Its principal economic value lies in its high iron content and the absence of process contaminants such as sulphur or phosphorous. It is part of a large group of isomorphous minerals, the calcite group carbonates, which share similar