SELENITE
SELENITE
SPECIMEN NR #:655
GOLD SELENITE (GYPSUM)
Gypsum is a soft sulfate mineral made up of calcium sulfate dihydrate, represented by the chemical formula CaSO4·2H2O. It is extensively extracted for use as a fertilizer and serves as a primary ingredient in various products such as plaster, drywall, and chalk for blackboards or sidewalks. Additionally, gypsum can crystallize into translucent selenite crystals. It typically forms as an evaporite mineral or as a hydration product of anhydrite. According to the Mohs scale of mineral hardness, gypsum is rated at a hardness of 2, indicating its relative softness in comparison to other minerals.
Specimen details
Specimen details
The numbers under "variant" are the measurements in mm and weight in grams. Where known, the origin of the specimen is mentioned. The number at the end, is the specimen number in our collection. Colours may vary, due to photography.
Care
Care
It's important to know that many minerals can be effectively cleaned with water. However, before using any cleaning methods, such as dissolvers or ultrasound, please take the time to research online. Improper use of these techniques could potentially harm your specimen.
Shipping
Shipping
Shipping fees depend on the weight of your order and its destination, and they will be calculated at checkout. Not all platforms use the same rate. We will inform you about any rebates where possible. If you have any questions, feel free to reach out to us before placing your order. We strive to use the most economical shipping methods for your specimens and combine multiple orders to minimize costs. Please note that packaging is included in the shipping fees.
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