Rhyolite
Rhyolite is an aphanitic volcanic rock with the equivalent mineralogical composition of granite. Rhyolite contains less than 5% phenocrysts, or mineral grains visible without magnification. T...
Read more
Rhodophyta
The red algae phylum Rhodophyta synthesizes a class of water-soluble pigments termed phycobilins, known to be produced only by another algae, the Cryptomonads. There are approximately 6,000...
Read more
Rhyolite
Rhodophyta