Agate is one of many varieties of banded Chalcedony
and the knobs giving it some visual similarities to the paw of a lion
Malachite is a copper carbonate with a bright green color and dark green banding
and the green color is caused by a reaction in the stone when the chrome is introduced to water
Dakota Stones Cuprite ranges from pale to deep blue-green
Copper Rutilated Quartz 5x8mm Chip with Spacers - 15-16 Inch Shape_Tube Agate is one of manyRutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile. These needles usually appear golden, but can also appear silver, red, copper, or black and can be distributed randomly or in bundles or star to like formations. Rutile is the mineral name for natural crystals of titanium dioxide, which may contain iron oxide. When the level of iron oxide is high, the inclusions appear more golden or copper, when it is low,