Characteristics: Name: Quartz Other names: a-quartz, deep quartz Mineral class: oxides Chemical formula: SiO 2 Chemical elements: silicon, oxygen Similar minerals: / Color: all colors possible Gloss: glass luster Crystal structure: trigonal Mass density: 2.6 Magnetism: not Magnetic Mohs hardness: 7 Line color: white Transparency: transparent to opaque Use: Gemstone Quartz: Quartz: Quartz is a common mineral found in other minerals and varieties such as rock crystal, amethyst, tiger eye, rose quartz, jasper and citrine forms.
Characteristics Name: Antlion Latin name: Myrmeleontidae Class: Insects Size: about 1cm Weight:? Age: 1 - 3 years looks: six-legged, gray-brown colored gender dimorphism: no nutritional type: insectivore (insektivor) food: ants, smaller insects distribution: worldwide origin: unknown habitat: preferably sunny and arid, sandy background natural enemies: parasitic wasps, predatory insects Sexual maturity: Admission with the development to Ant damaging mating time: June - August Threatened by extinction: Yes You can find further profiles of animals in the Encyclopaedia of Animals.
Atomic mass, symbol and atomic number Curium is an artificially created element with the element symbol Cm and atomic number 96. In the periodic table it belongs to the actinoids with an atomic mass of 247.07 u. The chemical element discovered by Glenn T. Seaborg in 1944 is radioactive and is in a solid state of aggregation at room temperature.
Atomic mass, symbol and atomic number Cobalt is a naturally occurring element with the elementary symbol Co and atomic number 27. In the periodic table it stands with an atomic mass of 58,933 u in the eighth subgroup. The chemical element discovered by Georg Brandt in 1735 is not radioactive and is in a solid state of aggregation at room temperature.