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.
In a gram stain, the Streptococcus pyogenes will be a purple color, indicating that it is a gram positive bacteria. The class Bacilli is a classification of cocci or rod shaped bacteria, and that is what the Streptococcus pyogenes are. Lactobacillales are an order of the gram positive bacteria comprising the lactic acid bacteria. Streptococcus pygenes produces lactic acid, so it is therefore classified under the lactobacillales. Streptococcaceae are gram positive non-sporulating bacteria including many parasitic, pathogenic and saprophytic forms.