Description
Realgar Crystal Specimen
This genuine Realgar crystal specimen from the USA is a distinctive addition to a mineral collection, geological display, study cabinet or decorative arrangement. Realgar is a recognised mineral species valued by collectors for its vivid colour range, crystal form and significance within mineralogy. Its strong visual character makes it suitable for anyone interested in crystals, mineral specimens, geology and natural history.
Mineralogy and Appearance
Realgar is an arsenic sulfide mineral with the chemical composition As4S4. It is commonly recognised by its rich red, orange-red or vermilion colouring, although natural specimens may show tonal variation across crystal faces and surfaces. Realgar typically has a resinous to vitreous lustre and may occur as prismatic or short crystals, granular masses, coatings or intergrown aggregates. Individual specimens can display contrasting areas of colour, reflective faces and natural surface textures formed during mineral growth.
As with many mineral specimens, the appearance of Realgar can vary according to its crystal habit, growth conditions, surface exposure and association with other minerals. The specimen shown in the listing photographs is the actual piece supplied.
Geological Formation
Realgar forms in a range of geological environments associated with arsenic-bearing mineralising activity. It is known from low-temperature hydrothermal veins, hot-spring deposits, volcanic fumarolic environments and areas where arsenic-rich fluids interact with surrounding rock. It may occur alongside other sulfide minerals and can be associated with orpiment, a closely related arsenic sulfide mineral. These geological associations make Realgar an informative subject for collectors studying mineral formation, hydrothermal processes and the chemical conditions that influence crystal growth.
Collecting and Display
This Realgar specimen can be displayed as part of a mineral cabinet, crystal collection, geology classroom arrangement or natural-history themed interior. Its red-orange colour provides a strong visual contrast beside pale quartz, dark sulfides, metallic ores and other colourful mineral specimens. It can also be presented as a thoughtful gift for a mineral collector, geology student, crystal enthusiast or anyone who appreciates unusual natural specimens.
For responsible collecting, keep the specimen in a secure display location and avoid unnecessary handling. Realgar is best appreciated as a mineral specimen for observation and study rather than as a material for direct-contact applications. Store it away from children, pets, food and drink, and keep it protected from strong light and unsuitable environmental conditions.
Authenticity and Photograph Information
This Crystal is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The photograph shows the actual specimen you will receive.
Sizing guidance: Full sizing is shown in the photographs.





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