4.8" Aragonite Mineral Red Crystal Cluster Specimen Tazouta Morocco

Location: Tazouta, Morocco

Weight: 14 Ounces

Dimensions: 4.8 Inches Long, 3.1 Inches Wide, 2.5 Inches Thick

The item pictured is the item you will receive. 

The mineral aragonite has been an important component of Earth’s oceans for millions of years, contributing to both marine ecosystems and geological records. Many invertebrates rely on aragonite to build shells and skeletal frameworks, making it essential for life in marine environments. Its natural tendency to crystallize near Earth’s surface explains why it is commonly seen in seashells and other biological structures.

As a polymorph of calcite, aragonite shares the same chemical makeup but forms a different crystal lattice. These subtle structural variations affect stability, allowing one mineral to become more dominant than the other depending on ocean chemistry. While calcite is currently the more stable form in modern seas, there have been periods in Earth’s past when aragonite was more abundant, leaving distinct signatures in sedimentary rock records.

Because aragonite and calcite look nearly identical, differentiating them often requires specialized geological tools. Studying these minerals helps researchers reconstruct ancient ocean conditions and understand long-term shifts in climate and marine ecosystems.