Description
Mineral Specimen Overview
This Grade A Opalised Marcasite crystal specimen is identified with a Miocene designation and originates from Mount Cidolog, Pasanggrahan, Sagaranten, Sukabumi Regency, West Java, Indonesia. Its defining material description combines opalised marcasite, making it an appealing choice for mineral collectors, geological displays, crystal cabinets and decorative presentation. The specimen is presented as a natural geological item rather than a manufactured ornament, with its character expressed through its mineral composition, structure and response to light.
Backlit Appearance and Translucence
Backlighting is a particularly effective way to view this specimen. The supplied product name specifically highlights colours and translucence when illuminated from behind, allowing the visual qualities of the piece to become more apparent under suitable lighting. Backlit viewing can reveal differences in the way light passes through or interacts with areas of a mineral specimen, creating a more varied display than ordinary front lighting. This makes the piece suitable for collectors who enjoy examining mineral specimens from multiple angles and under different display conditions.
Mineralogical Context
Marcasite is an iron sulfide mineral belonging to the sulfide mineral group. It is chemically related to pyrite, although marcasite has a different crystal structure. Opal is a hydrated silica mineraloid known for its interaction with light and its range of visual effects. The term opalised describes the specimen’s supplied mineral identification and is retained here as part of the product name. Together, the opalised marcasite designation gives this specimen a distinctive place in a mineral collection and provides an interesting starting point for studying mineral names, structure and appearance.
Locality and Geological Interest
The stated locality is Mount Cidolog, Pasanggrahan, Sagaranten, within Sukabumi Regency in West Java, Indonesia. The Miocene designation adds geological context to the specimen and connects it with a recognised interval of Earth history. Locality information is an important part of mineral collecting because it helps place a specimen within a geographical and geological record. This Indonesian origin also makes the piece an attractive addition to collections focused on regional minerals, unusual mineral combinations or specimens from Southeast Asia.
Display, Collecting and Gifting
This specimen can be displayed in a mineral cabinet, on a shelf, in a study, or as part of a classroom and educational geology arrangement. Its backlit presentation makes it especially suitable for a display area where controlled illumination can be used to explore colour and translucence. It may also be considered as a gift for a mineral collector, geology enthusiast, student, teacher or anyone interested in natural specimens with a documented locality and geological designation.
Photograph and Sizing Information
The photograph shows the actual specimen you will receive. Full sizing is shown in the photographs.
Authenticity
This Crystal is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
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