Angelite Tumblestone 10-20mm Peru Blue Anhydrite Crystal 100g Bag Polished Gemstone Bulk Stones Collectors Display Set Certificate

Product Overview
This 100g bag of Angelite tumblestones from Peru features small, carefully selected polished stones measuring approximately 10–20mm. Each piece displays soft blue tones and a smooth finish, highlighting the natural beauty of this distinctive mineral. Supplied with a Certificate of Authenticity lifetime guarantee card, this bulk set is ideal for collectors, decorative use, crafting, or resale. The listing image shows an example of the stones you will receive, with each bag containing natural variation in colour and texture. Please refer to the photo for full sizing and scale.

Mineral Identification and Composition
Angelite is the trade name for a blue variety of anhydrite, a calcium sulfate mineral with the chemical formula CaSO₄. It forms when gypsum (CaSO₄·2H₂O) loses water under geological conditions, transforming into the denser, anhydrous mineral anhydrite.

The characteristic pale to medium blue colour of Angelite is caused by trace elements and structural features within the mineral. Its consistent colour and fine-grained structure make it well suited for tumblestone polishing.

Crystal Structure and Physical Properties
Anhydrite crystallises in the orthorhombic crystal system, although it is typically found in massive or granular forms rather than well-defined crystals. In tumblestone form, the structure appears smooth and uniform.

Typical properties include:

• Colour: Pale blue to soft grey-blue tones

• Lustre: Vitreous to pearly when polished

• Transparency: Opaque

• Hardness: 3–3.5 on the Mohs scale

Due to its relatively low hardness, Angelite should be handled with care to avoid scratches or damage.

Geological Formation and Peruvian Origin
Angelite forms in evaporite deposits, where mineral-rich water evaporates and leaves behind sulfate minerals such as gypsum and anhydrite. Over time, dehydration processes convert gypsum into anhydrite, resulting in the formation of Angelite.

Peru is one of the most well-known sources of high-quality blue anhydrite, producing material with consistent colour and fine texture. These deposits are associated with ancient evaporitic environments where mineral concentration occurred over extended geological periods.

Appearance and Natural Variation
Each Angelite tumblestone is unique, with variations in tone, texture, and subtle internal patterning. Some stones may display uniform soft blue colouring, while others include lighter patches or faint inclusions.

The polished finish enhances the natural surface, creating a smooth tactile feel and a gentle sheen. These variations are a natural part of the mineral’s formation and contribute to the individuality of each piece in the 100g set.

Uses and Collecting Appeal
Angelite tumblestones are popular among mineral collectors and gemstone enthusiasts due to their calming blue colour and smooth finish. Their smaller size of 10–20mm makes them suitable for bulk collections, crafting projects, decorative displays, or inclusion in curated mineral assortments.

In non-scientific and cultural contexts, Angelite is traditionally associated with peace and communication and is often appreciated in spiritual or decorative settings. These interpretations are based on cultural traditions rather than scientific evidence.

Authenticity and Presentation

• Genuine Angelite (Anhydrite, CaSO₄) from Peru

• 100g bulk bag of small tumblestones

• Individual stone size: approximately 10–20mm

• Smooth polished finish with natural variation

• Supplied with a Certificate of Authenticity lifetime guarantee card

• Listing image shows an example of the stones you will receive

This Angelite tumblestone set combines Peruvian origin, soft natural colouration, and polished presentation, making it a versatile and attractive addition to any mineral collection or display.