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.
/StrepÂ·toÂ·cocÂ·cus/ (-kokÂ´us) a genus of gram-positive, facultatively anaerobic cocci occurring in pairs or chains; it is separable into the pyogenic group, the viridans group, the enterococcus group, and the lactic group.treptococcus (plural, streptococci). Any of several species of bacteria that are spherical in shape and form pairs or chains. Streptococci cause scarlet fever, tonsillitis, and pneumonia, and are often involved in lymphadenitis.