矿物是指在地质作用下天然形成的结晶状纯净物 。绝对的纯净物是不存在的，所以这里的纯净物是指物质化学成分相对单一的物质。矿物是组成岩石的基础 ，但矿物和岩石不同，矿物可以用其化学式表示，而岩石是由许多矿物及非矿物所合成，没有一定的化学式。
The Ramsar Palace or Marmar Palace is one of the historic buildings and royal residences in Iran.
The Veresk bridge is a masonry arch bridge in northern Iran. It was constructed by Impresa G.
Gerdkooh ancient hills consists of three hills, the tallest of which is 26 m in height.
ʿAlam-Kūh – Mount Alam – is a mountain in Alborz mountain range in north of Iran, Mazandaran Province, forming a peak of Takht-e Suleyman…
Azad Kooh is one of the highest peaks in the central Alburz Range in Mazandaran province north of Iran.
