December Birthstone: Blue Topaz Birthstone Color: Blue As cool and inviting as a blue lake on a blistering summer day, December's birthstone is derived from the Sanskrit word tapas, meaning fire. This is because Blue Topaz was considered by ancient civilizations to have cooling properties.
Streptococcus pneumoniae are Gram-positive bacteria in the shape of a slightly pointed cocci. They are usually found in pairs (diplococci), but are also found singly and in short chains.treptococcus pneumoniae are Gram-positive bacteria in the shape of a slightly pointed cocci. They are usually found in pairs (diplococci), but are also found singly and in short chains.
CHARACTERISTICS: Streptococcus pyogenes is an aerobic, gram-positive extracellular bacterium. It is made up of non-motile, non-sporing cocci that are less then 2 Âµm in length and that form chains and large colonies greater then 0.5 mm in size.