Called âone of the best and most consistent native trees for fall colorâ by tree expert Michael Dirr, the black tupelo is a terrific landscaping choice. Displaying various hues of yellow, orange, bright red and purpleâoften on the same branchâits foliage is a stand-out of the autumn season.
Types of Asbestos. The six minerals that make up the group called asbestos can be divided into two main types: amphibole and serpentine. Chrysotile asbestos is serpentine and it has fibers that are long and curly. This is the type of asbestos that has most often been used in construction and other industries.
Scientific Classifications of Mineral Groups. Scientific Classification. **Minerals and gemstones are classified according to their chemical compositions. There are eight classes, along with a ninth class for non-minerals, which may be non-crystalline organic combinations and/or rocks.The nine classes are listed below with examples of a few of the individual species within these groups. group of minerals that are compounds of one or more metallic elements associated with the Phosphate radical. They are classified together with the Arsenates and Vanadates. They are usually brittle and occur in small crystals or compact aggregates.