Although it was built as a temple, it was used as a treasury where the money collected by the city was stored. The name of the temple “refers to the cult of Athena Parthenos (Athena Virgin) associated with it”. It is “universally recognized as the masterpiece of the Doric order”. Although the Parthenon is considered a Doric temple, it used some Ionic attributes. Such as thinner columns and a continuous frieze around all four sides. Furthermore, four Ionic columns were used to support the roof. The Parthenon is a Doric peripteral temple. “It consists of a rectangular plan with a series of low steps on each side, and a colonnade (8 x 17) of Doric columns extending around the periphery of the entire structure.” In front of each entrance there are 6 more columns. It is the largest Greek Doric temple. The temple was built using Pentelic marble from a nearby mountain, Mount Pentelicus. 22,000 tons of marble from the mountain were used to complete the Parthenon. Inside the Parthenon there were 2 rooms. The largest room (naos) housed the large statue of Athena. The smaller room (opistodome) was used as a treasury. The temple measures 30.88 x 69.5 and is 14 meters high