Rock Identifier
Mixed Gemstone Collection (SiO2 (Quartz varieties) and Biogenic CaCO3 (Nacre)) — mineral
mineral

Mixed Gemstone Collection

SiO2 (Quartz varieties) and Biogenic CaCO3 (Nacre)

AI-generated identification · may be incorrect

Hardness: 6.5-7 (Quartz minerals), 3.5 (Abalone); Colors: Green, Teal, Black, Iridescent; Luster: Vitreous to Pearly; Structure: Trigonal/Amorphous

Hardness
6
Luster
Vitreous to Pearly
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Physical properties

Hardness: 6.5-7 (Quartz minerals), 3.5 (Abalone); Colors: Green, Teal, Black, Iridescent; Luster: Vitreous to Pearly; Structure: Trigonal/Amorphous

Formation & geological history

The quartz-based minerals (Bloodstone and Hawkeye) formed through metamorphic and hydro-thermal processes in crustal veins. The Abalone is biogenic, formed in marine environments.

Uses & applications

Primarily used for lapidary arts, jewelry components, cabochons, and metaphysical collecting.

Geological facts

This set includes Bloodstone, which was considered the 'Martyr's Stone' in the Middle Ages, and Blue Tiger's Eye (Hawkeye), which is a pseudomorph of quartz after crocidolite.

Field identification & locations

Includes Bloodstone (green with red spots), Blue Tigerseye (chatoyant dark blue), and Abalone (iridescent shell). Best identified by luster and characteristic patterns.

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