Description
Angelite Palm Stone – Polished Blue Anhydrite Mineral from Mexico
This genuine Angelite palm stone from Mexico is a polished specimen of the mineral anhydrite, shaped into a smooth worry stone or palm stone form. The gentle curved shape and polished surface highlight the mineral’s natural colour and fine-grained structure, making it an attractive addition to mineral collections or decorative displays.
The specimen has been carefully selected for colour, texture, and mineral quality. The listing photographs show the exact piece you will receive, allowing collectors and buyers to examine the surface patterns, polish, and natural colour before purchase. For accurate dimensions and scale, please refer to the sizing provided in the photographs.
Each specimen includes a Certificate of Authenticity lifetime guarantee generic card, confirming that the stone is a genuine mineral specimen.
Mineral Species and Geological Classification
Angelite is the trade name commonly used for blue anhydrite, a calcium sulfate mineral with the chemical formula CaSO₄. Anhydrite belongs to the sulfate mineral group and forms in evaporite deposits where mineral-rich water has evaporated over time.
Unlike gypsum, which contains water molecules within its structure, anhydrite is water-free calcium sulfate. Under certain environmental conditions, anhydrite may slowly absorb moisture and transform into gypsum.
Anhydrite crystallises in the orthorhombic crystal system, although well-formed crystals are relatively uncommon. The mineral more frequently occurs in massive or granular forms, which are often cut and polished to reveal their colour and texture.
Colour, Texture and Physical Characteristics
Angelite is recognised for its soft blue to bluish-grey colour, which may appear uniform or show subtle variations due to natural mineral inclusions. The colour is typically caused by trace elements and microscopic structural variations within the mineral.
Typical physical characteristics include:
• Mineral Species: Anhydrite
• Trade Name: Angelite
• Chemical Formula: CaSO₄
• Mineral Group: Sulfate
• Crystal System: Orthorhombic
• Colour: Pale blue to blue-grey
• Transparency: Opaque to slightly translucent in thin areas
• Lustre: Pearly to vitreous when polished
• Mohs Hardness: Approximately 3–3.5
Because of its relatively moderate hardness, anhydrite is commonly shaped and polished into palm stones, worry stones, carvings, and decorative mineral objects.
Geological Formation of Anhydrite
Anhydrite typically forms within evaporite sedimentary deposits, where large bodies of mineral-rich water gradually evaporate and leave behind concentrated mineral layers.
These evaporite environments often occur in ancient seabeds, saline lagoons, or enclosed marine basins, where evaporation exceeds the rate of water replenishment.
As water evaporates, dissolved minerals crystallise and accumulate within sediment layers. Calcium sulfate minerals such as anhydrite and gypsum commonly develop in these environments.
Anhydrite may occur alongside other evaporite minerals including halite (rock salt), gypsum, calcite, and dolomite, depending on the chemical composition of the evaporating water.
Over geological time, these mineral layers may become buried and compressed within sedimentary rock formations.
Mexico is known for several mineral-producing regions where evaporite deposits yield blue anhydrite suitable for lapidary shaping and polishing.
Palm Stone Shape and Collecting Appeal
Palm stones and worry stones are polished mineral forms designed to comfortably fit in the hand. Their smooth surfaces allow the stone’s natural colour and mineral patterns to be clearly visible while creating an aesthetically pleasing display specimen.
Angelite palm stones are popular among mineral collectors, natural stone enthusiasts, and decorative crystal collectors due to their soft blue colour and smooth finish.
These stones are frequently displayed in mineral collections, geological displays, decorative interiors, or educational collections showcasing evaporite minerals.
In some cultural traditions, angelite has been traditionally associated with symbolic meanings relating to calmness or communication, though these interpretations are cultural perspectives rather than scientifically established properties.
Because every mineral forms under unique geological conditions, each angelite specimen displays its own subtle variations in colour, texture, and natural inclusions.
Authenticity and Specimen Information
• Mineral Species: Anhydrite
• Trade Name: Angelite
• Chemical Formula: CaSO₄
• Mineral Group: Sulfate
• Crystal System: Orthorhombic
• Locality: Mexico
• Colour: Pale blue to blue-grey
• Transparency: Opaque to slightly translucent
• Lustre: Pearly to vitreous when polished
• Hardness: 3–3.5 Mohs
• Formation: Evaporite sedimentary mineral deposits
• Associated Minerals: Gypsum, halite, calcite, dolomite
• Shape: Polished palm stone / worry stone
• Authenticity: Genuine mineral specimen
• Included: Certificate of Authenticity lifetime guarantee generic card
• Exact Item: The angelite palm stone shown in the photographs is the piece you will receive
This Angelite palm stone from Mexico showcases the distinctive blue colour and fine-grained structure of anhydrite, making it a visually appealing addition to mineral collections, geological displays, or decorative natural stone collections.
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