Chalcedony to as prase. However, the term prase is also used to describe green quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.) Blue-colored chalcedony is sometimes referred to as "blue chrysoprase" if the color is sufficiently rich, though it derives its color from the presence of copper and is largely unrelated to nickel-bearing chrysoprase. Heliotrope is a green variety of chalcedony, containing red inclusions of iron oxide that resemble drops of blood, giving heliotrope its alternative name of bloodstone. In a similar variety, the spots are yellow instead, known as plasma. Moss agate
A Tribe Called Red one of the band's own earliest singles. Bear Witness explained that the group A Tribe Called Red was formed because its members wanted to throw parties for their community, and he also pointed out ATCR's political connotation - "To take over and Indigenize the club space is a really political act [...] As First Nations people everything we do is political" (Ehren "Bear Witness" Thomas). After releasing a number of tracks online DJing at various dance and aboriginal events, the band released their self-titled debut album as a free internet download in 2012. The album was named as a longlisted