{"id":15623,"date":"2026-10-31T16:52:57","date_gmt":"2026-10-31T13:22:57","guid":{"rendered":"https:\/\/abanpowder.com\/%da%a9%d9%84%d8%b3%db%8c%d8%aa-%da%86%db%8c%d8%b3%d8%aa-%da%86%d9%87-%d8%aa%d9%81%d8%a7%d9%88%d8%aa%db%8c-%d8%a8%d8%a7-%d8%b3%d8%a7%db%8c%d8%b1-%d8%a7%d9%86%d9%88%d8%a7%d8%b9-%da%a9%d8%b1%d8%a8\/"},"modified":"2026-10-31T17:20:37","modified_gmt":"2026-10-31T13:50:37","slug":"what-is-calcite-how-does-it-differ-from-other-types-of-calcium-carbonate","status":"publish","type":"post","link":"https:\/\/abanpowder.com\/en\/what-is-calcite-how-does-it-differ-from-other-types-of-calcium-carbonate\/","title":{"rendered":"What is Calcite | How does it differ from other types of calcium carbonate?"},"content":{"rendered":"

What is Calcite | How does it differ from other types of calcium carbonate?<\/h2>\n

What is calcite? Calcium carbonate is one of the most important minerals used in various industries, and it is found in nature in various forms.<\/p>\n

One of the most well-known and abundant of these forms is called calcite; calcite is one of the most abundant carbonate minerals in nature.<\/p>\n

A mineral whose name may be less familiar to many mineral buyers than “calcium carbonate” or “limestone.”<\/p>\n

Due to its abundance, ease of processing, availability in various particle sizes, and favorable physical properties, calcite is utilized in numerous industries\u2014including paints and coatings, plastics, PVC, paper, adhesives, ceramics, and construction materials.<\/p>\n

However, calcite is not the only form of calcium carbonate; aragonite and vaterite are also crystalline structures of CaCO\u2083. Despite sharing the same chemical composition, they differ from calcite in terms of their crystalline structure and certain physical properties.<\/p>\n

In this article from Aban Powder,<\/strong><\/span><\/a> our goal is to explain what calcite is, what its characteristics are, how it differs from other types of calcium carbonate, and why understanding these differences is important when selecting industrial raw materials.<\/p>\n

What is calcite?<\/h2>\n

Calcite is a carbonate mineral with the chemical formula CaCO3\u2014meaning it is composed of calcium, carbon, and oxygen\u2014and is considered one of the most stable natural forms of calcium carbonate.<\/p>\n

Calcite, a mineral with a hardness of 3 on the Mohs scale, is one of the most abundant and common<\/strong><\/span><\/a> minerals in the Earth’s crust (accounting for approximately 4% by weight) and can be found in the composition of many rocks.<\/p>\n

Furthermore, this type of mineral is present in many natural stones\u2014particularly limestone and marble\u2014and its sources can be found in various parts of the world.<\/p>\n

Calcite extracted from mines can be processed\u2014through crushing, grinding, and further treatment\u2014into powders with varying particle size distributions.<\/p>\n

In simple terms, when we refer to “calcite,” we are generally speaking from a geological or mineralogical perspective.<\/p>\n

In other words, we are referring to the substance in its natural, crystalline form. Conversely, when we speak of “calcium carbonate,” the focus shifts toward its chemical composition or its identity as an industrial product.<\/p>\n

For this reason, a manufacturing plant might label its final product “calcium carbonate powder,” even though the raw material was extracted from limestone\u2014a substance composed largely of calcite.<\/p>\n

Therefore, when discussing industrial calcite powder, it is not just the chemical composition that matters; the processing method and the physical characteristics of the product are also of great importance.<\/p>\n

\"\u06a9\u0644\u0633\u06cc\u062a
What Is Calcite? | Aban Powder<\/figcaption><\/figure>\n

Calcite Properties Table<\/p>\n\n\n\n\n\n\n\n\n\n
Chemical composition<\/th>\nCaCO3 \u2013 Calcium Carbonate<\/td>\n<\/tr>\n
Color<\/th>\nUsually white, but sometimes colorless, gray, red, green, blue, yellow, brown, orange<\/td>\n<\/tr>\n
Streak color<\/th>\nWhite<\/td>\n<\/tr>\n
Transparency<\/th>\nTransparent to Opaque<\/td>\n<\/tr>\n
Cleavage<\/th>\nComplete \u2013 Rhombohedral, trigonal symmetry<\/td>\n<\/tr>\n
Luster<\/th>\nGlassy<\/td>\n<\/tr>\n
Refractive index of light<\/th>\nDouble refraction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Is calcite the same as calcium carbonate?<\/h2>\n

At first glance, calcite and calcium carbonate may seem complex; however, if we shift our perspective, the subject becomes simple.<\/p>\n

Calcium carbonate is the chemical name for a substance with the formula CaCO\u2083. This material can be produced in various forms\u2014such as mineral, sedimentary, powdered, industrial, or micronized\u2014or even as a chemical precipitate. Calcite, however, refers specifically to one of the mineral, crystalline forms of calcium carbonate.<\/p>\n

While the concepts of calcite and calcium carbonate are closely related, they are not identical.<\/p>\n

Calcium carbonate is a chemical compound defined by the formula CaCO\u2083, whereas calcite is considered one of the naturally occurring crystalline forms of calcium carbonate.<\/p>\n

In simpler terms: Calcium carbonate = the chemical compound CaCO\u2083; Calcite = one of the mineral, crystalline structures of CaCO\u2083.<\/p>\n

For instance, when discussing CaCO\u2083 or ground calcium carbonate, the raw material is typically limestone, marble, or other natural carbonate sources.<\/p>\n

If these stones are composed primarily of calcite, the resulting powder is sometimes referred to in the market as “calcite powder.”<\/p>\n

However, in an industrial procurement context, the term “calcite” alone is not the deciding factor. Key specifications include the purity of the CaCO\u2083, whiteness, particle size distribution (granulometry), mesh size, moisture content, levels of iron and magnesium impurities, oil absorption, particle shape, and the overall consistency of the material.<\/p>\n

To learn more about calcium carbonate<\/strong><\/span><\/a>, you can read the page titled “What Is Calcium Carbonate Powder?”<\/p>\n

Main types of calcium carbonate based on crystal structure<\/h2>\n

Calcium carbonate has three main known polymorphs:<\/p>\n

\u06f1. (Calcite)<\/h3>\n

Calcite is the most stable and common form of calcium carbonate under typical environmental conditions. This mineral possesses a trigonal crystal structure and, due to its abundance in nature, is highly significant as a source of mineral raw materials.<\/p>\n

Calcite is found in most limestone and marble deposits and, following processing, can be used to produce mineral powders.<\/p>\n

\u06f2.\u00a0 (Aragonite)<\/h3>\n

Aragonite also has the chemical formula CaCO\u2083, but its crystal structure differs from that of calcite. Aragonite possesses an orthorhombic structure and is less stable than calcite under surface conditions on Earth.<\/p>\n

This substance also forms in certain natural environments and biological structures.<\/p>\n

For more information:<\/span> What is aragonite, and how does it differ from other types of calcium carbonate?<\/strong><\/span><\/a><\/p>\n

\u06f3. (Vaterite)<\/h3>\n

Vaterite is the third known polymorph of calcium carbonate. This structure is less stable than calcite or aragonite and is encountered far less frequently in nature.<\/p>\n

In fact, when discussing natural and industrial sources of calcium carbonate, calcite is generally of far greater significance than vaterite.<\/p>\n

\"\u062a\u0641\u0627\u0648\u062a
What is the difference between calcite, aragonite, and vaterite?<\/figcaption><\/figure>\n

What is the difference between calcite, aragonite, and vaterite?<\/h2>\n

An interesting point is that all three substances share the same basic chemical formula: CaCO\u2083.<\/p>\n

However, the arrangement of atoms within their crystal structures differs. This variation leads to differences in certain physical properties and their respective levels of stability.<\/p>\n\n\n\n\n\n\n\n\n
Feature<\/th>\nCalcite<\/th>\nAragonite<\/th>\nWatrite<\/th>\n<\/tr>\n
Chemical composition<\/td>\nCaCO\u2083<\/td>\nCaCO\u2083<\/td>\nCaCO\u2083<\/td>\n<\/tr>\n
Crystal structure<\/td>\nTrigonal<\/td>\nOrthorhombic<\/td>\nDifferent from the other two<\/td>\n<\/tr>\n
Stability under normal conditions<\/td>\nUp<\/td>\nLess than calcite<\/td>\nDown<\/td>\n<\/tr>\n
Natural abundance<\/td>\nA lot<\/td>\nLess<\/td>\nVery little<\/td>\n<\/tr>\n
Importance as a common mineral resource<\/td>\nA great deal<\/td>\nMore limited<\/td>\nVery limited<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Therefore, the primary difference between these materials should not be sought solely in their chemical formula; rather, their crystal structure and stability are among the most significant factors that distinguish them.<\/p>\n

Why does calcite have significant industrial importance?<\/h2>\n