mineral

Mixed Polished Gemstones (Tumbled Stones)

Mixed Silicates and Oxides (SiO2, KAlSi3O8, Ca2Al2Be3Si6O22, etc.)

AI-generated identification · may be incorrect

Hardness: 6-7 (Mohs); Color: Multi-colored (purple, green, white, orange, yellow); Luster: Vitreous to waxy; Crystal Structure: Various (mostly Trigonal/Hexagonal/Monoclinic); Cleavage: Mostly none to poor

Hardness: 6-7 (Mohs)
Color: Multi-colored (purple, green, white, orange, yellow)
Luster: Vitreous to waxy

Identified June 24, 2026More mineral →

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Physical properties

Formation & geological history

These are various minerals (Amethyst, Howlite, Agate, Quartz, Jasper, Prehnite) formed through hydrothermal vents, volcanic gas cavities (vugs), or metamorphic processes over millions of years.

Uses & applications

Used primarily for decorative purposes, crystal healing, collection, and as materials for craft jewelry like wire-wrapping.

Geological facts

This assortment includes Amethyst (the purple stone), Howlite (the white stone with grey veins), Carnelian (red-orange), Citrine or Yellow Jasper, and Prehnite (light green with inclusions).

Field identification & locations

Identify by color, transparency, and specific inclusions (like the black tourmaline needles in the green prehnite). These are commonly found in 'gem mining' kits or metaphysical shops.