Dogtooth Orange Calcite Crystal Natural Mineral Specimen

Dogtooth Orange Calcite – Natural Scalenohedral Crystal Display Piece

This Dogtooth Orange Calcite crystal is a genuine natural mineral specimen, selected for its sharp scalenohedral crystal formation, vibrant orange tones, and strong display presence. The photographs in the listing show the exact specimen you will receive. Please refer to the images for full sizing and scale details.

Each crystal includes a Certificate of Authenticity lifetime guarantee generic card, confirming it as a genuine calcite specimen.

Mineral Species & Crystal Structure

Calcite is a calcium carbonate mineral with the chemical formula CaCO₃ and crystallises in the trigonal crystal system. Dogtooth calcite refers to a distinctive scalenohedral crystal habit, where elongated, pointed crystals resemble canine teeth—hence the name “dogtooth.”

Scalenohedral crystals form when calcite grows under specific conditions within open cavities, allowing sharp, symmetrical terminations to develop. These crystals often appear as clusters of pointed forms radiating from a central base.

Calcite has a Mohs hardness of 3 and displays perfect rhombohedral cleavage in three directions. Its vitreous to slightly resinous lustre enhances the definition of crystal faces under natural or display lighting.

Colour, Clarity & Natural Characteristics

The orange colouration in calcite is typically caused by trace amounts of iron or other mineral impurities incorporated during crystal growth. Shades can range from soft honey-orange to deeper amber tones depending on concentration and lighting conditions.

Transparency varies from translucent to semi-transparent. Light passing through thinner crystal points can produce a warm internal glow that highlights natural growth zoning or internal inclusions.

Minor surface variations, natural contact points, or subtle internal fractures are common features in naturally formed calcite and confirm its geological origin. No artificial dyes or treatments have been applied.

Geological Formation

Dogtooth calcite commonly forms in hydrothermal vein systems and limestone cavities. When calcium-rich fluids circulate through fractures in carbonate host rock, calcite precipitates and crystallises in open spaces.

Stable temperature and chemical conditions allow scalenohedral crystals to grow freely without obstruction, producing the characteristic pointed forms. Iron present in the mineralising fluids can influence the development of orange hues.

Calcite is frequently associated with other minerals such as quartz, fluorite, galena, sphalerite, or barite in hydrothermal environments. Its formation records the chemistry and temperature of the fluids active during deposition.

Collecting, Display & Educational Value

Dogtooth orange calcite is highly sought after for its dramatic crystal habit and vibrant colouring. The pointed scalenohedral structure creates strong visual interest and depth in display settings.

From a mineralogical perspective, this specimen is an excellent example of trigonal crystal symmetry and hydrothermal growth patterns. It demonstrates how environmental conditions influence crystal morphology.

In some traditions, orange calcite is traditionally associated with creativity and positivity; however, it is primarily valued as a naturally occurring carbonate mineral and an attractive example of scalenohedral crystal development.

Authenticity & Presentation

• Genuine Dogtooth Orange Calcite Crystal
• Calcium Carbonate (CaCO₃)
• Trigonal crystal system
• Scalenohedral “dogtooth” crystal habit
• Natural, untreated mineral specimen
• Exact specimen shown in listing photographs
• Includes Certificate of Authenticity lifetime guarantee generic card
• Full measurements available in listing images

A carefully selected natural calcite specimen showcasing sharp scalenohedral crystal formation and warm orange colouration produced through geological processes.