The hue exhibited by this sedimentary rock is variable, largely dependent on its mineral composition. The most prevalent colors range from light tan and beige to darker shades of brown and reddish-brown. The presence of iron oxides, such as hematite or goethite, significantly influences the rock’s coloration, often imparting a reddish or brownish tint. The specific shade can also be affected by the concentration and type of other minerals present, including clay minerals and quartz.
The aesthetic appeal of this natural material stems directly from its inherent color variations. This characteristic makes it a desirable building material and decorative stone. Historically, its availability and relative ease of working have contributed to its widespread use in architecture across diverse cultures and geographical regions. The warm, earthy tones often evoke a sense of natural beauty and permanence, contributing to the enduring popularity of structures built with it. Furthermore, the diverse palette allows for significant design flexibility.
