By Pishtaz | 2025-07-25

Rare phenomenon

The Island of Hormuz is nicknamed "Rainbow Island" due to its vibrant colors and the diverse shades of its surrounding waters. It gained significant popularity after a viral video showcased the mysterious reddish tint of its waters.

Several months ago, heavy rains transformed the island into a reddish landscape as far as the eye could see, with water flowing over its enchanting, blood-red beach sands.

This unusual event led some to describe it as a "rare blood waterfall." The scene astonished many viewers, while others remarked on the beauty of this extraordinary occurrence.

Located in southern Iran, Hormuz Island has gained a unique reputation due to a remarkable natural phenomenon.

Research indicates that Hormuz Island is approximately 600 million years old, and its formation is closely tied to the tectonic forces that have shaped the Gulf region.

The collision between the Arabian Plate and the Eurasian Plate has resulted in the formation of fold mountains and sedimentary basins.

Over time, these geological forces have led to the accumulation of iron-rich minerals in the area, which are responsible for the distinctive red color of the fine, powdery sand.

Why the red color

The red color is caused by the high concentration of iron oxide in the island's soil. When it rains, the water interacts with this substance, giving it a dark color.

The intense flow of water reaching the island's shores also colors the water and sand near the mainland, resulting in a distinctive and otherworldly appearance that has long attracted tourists.

If we dig into the beach sand, we will discover bright red sand underneath. This darker top layer enhances the reddish tint of the waves.

Additionally, bathing in this water can temporarily dye your skin, leaving a colorful mark for several days.

Iron oxide

Iron oxide is a chemical compound made up of iron and oxygen.

It is commonly used as a natural pigment and serves various industrial purposes, including the manufacture of cosmetics, pharmaceuticals, ceramics, and dyes for fabrics and paints.

Additionally, iron oxides are utilized in art, cooking, medicine, and drawing.

The climatic conditions on Hormuz Island also significantly affect the formation of the Red Beach. The region experiences arid conditions due to low rainfall, resulting in limited vegetation.

Consequently, the erosion of iron-rich rocks and minerals accelerates, resulting in the accumulation of red particles in the fine sediments along the coast.