hyaline rock References hyaline rock geology Ask Anything Homework Help Also known as: subaphanitic rock Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: igneous rock/ CrystallinityThe subaphanitic, or hyaline, rocks are referred to as glassy, or vitric, in terms of granularity. Read MoreThe subaphanitic, or hyaline, rocks are referred to as glassy, or vitric, in terms of granularity. Read More