crystals that ar opaque
No it is a heavy, magnetic and very dark grey rock, which is also known as Lodestone.
hematite
Hematite is an ore of iron.
Yes, hematite is a mineral.
Hematite intermixed with Goethite is also known as Rainbow Hematite and is wonderfully iridescent.
Hematite is a mineral composed largely of iron. Hematite rosary beads would be beads made of hematite used for a rosary.
Hematite is a mineral of iron: Fe2O3.
Hematite's color is mostly sliver
A ring made of hematite. Hematite is the mineral form of iron and is a dark gray color, sometimes magnetic.
Hematite is a 6.5 on the Mohs scale of mineral hardness.
Scientists think they made Mirrors out of Hematite.
Hematite is an ore of the element Iron.