Complete Information Guide to Rocks, Minerals, & Gemstones. The tetrahedrite Mineral Series. The Tetrahedrite series is composed of two member minerals: Tetrahedrite, the antimony-rich end member, and Tennantite, the arsenic-rich end member. Tetrahedrite is the more common member of this series, and is also the most common sulfosalt mineral. This page discusses Tetrahedrite; Tennantite has its own dedicated page. The most common crystal habit for Tetrahedrite is tetrahedral, which describes an unusual triangular crystal form.
What does it look like? The type of Blues Dancing that we do is centered on very strong partner connection with the basis being pulsing weight changes. The current form of Blues actually evolved out of the Swing/Jazz partner dancing scene, though original Blues Dancing is actually one of the parents to Swing and Jazz.
In other styles of dance, the music is a big part of the dance, and the steps are based on the music. The music for Modern and Ballet is mainly used to set the mood of the dance. However, the two styles differ in significant ways. In Ballet, you must follow strict movements that canât be altered much. But Modern dancers break those rules. Modern dance takes a basic movement and adds to it. There are different ways of performing the same step. Ballet steps always are done with turned out feet, unlike Modern, where steps can be done turned out or in parallel.