Curatorial Catalog No. 01

Find the crystal in your hand.

We keep verifiable mineral facts strictly separate from historical folklore and traditional symbolism. Visual identification gives you a helpful starting point, but cannot replace laboratory testing or a professional gemologist.

GrowingCrystal Library
SourcesReference notes
ClearlyClearly Labeled Sources
Strong Visual Match
ID #BRA-8924
Brazilian Amethyst Geode Specimen
Natural Specimen Rio Grande do Sul
verified Reference: Quartz Family

Raw Brazilian Amethyst

SiO₂

Macro-crystalline quartz colored by natural irradiation and trivalent iron (Fe³⁺) impurities within crystal lattice.

Color Deep Violet
Mohs Hardness7 (Everyday Scratch Resistant)
Luster Vitreous
Water note Brief contact only

Note on durability: Resists many everyday scratches; can still chip or be scratched by harder materials.

Important: A visual guide cannot confirm identity; consult a qualified gemologist for valuable or safety-critical specimens.

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Ruled out: Fluorite (Mohs 4, softer), Lepidolite (Micaceous sheets).

Compared
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Practical tools that compare mineral properties with clearly labeled historical symbolism.

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Today's Focus:
Meaningful GiftEasy CarePink Tones
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Comparative

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Month Traditional • Modern
October Opal / Pink Tourmaline
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Care Comparison

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Check how stones compare in hardness, wearability, and complementary historical symbolism before wearing together.

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Archival Index Top Reference Records

Popular Crystals in the Collection

Natural Amethyst cluster in limestone vitrine
Quartz Group Mohs 7
Brazil • Uruguay

Amethyst

SiO₂

A violet variety of quartz owing its regal coloration to natural irradiation and iron lattice substitutions.

Mineral Class Tectosilicate
Traditional Symbolism Traditional: calm & clarity
Rough raw Rose Quartz chunk on linen background
Quartz Group Mohs 7
Madagascar • India

Rose Quartz

SiO₂

Soft pink macrocrystalline quartz colored by microscopic inclusions of fibrous dumortierite-related minerals.

Mineral Class Tectosilicate
Traditional Symbolism Traditional: compassion
Faceted and polished honey Citrine tower crystal on stone slab
Quartz Group Mohs 7
Brazil • Congo

Citrine

SiO₂

Golden to warm amber quartz. Distinct from heat-treated amethyst through its dichroism and sub-microscopic ferric hydroxide colloids.

Mineral Class Tectosilicate
Traditional Symbolism Traditional: abundance
Raw striated Black Tourmaline Schorl column on limestone
Cyclosilicate Mohs 7-7.5
Namibia • Brazil

Black Tourmaline (Schorl)

NaFe₃Al₆

Iron-rich prismatic borosilicate with longitudinal striations, famous for natural pyroelectricity and piezoelectric charge retention.

Mineral Class Cyclosilicate
Traditional Symbolism Traditional: grounding
Tectosilicate Mohs 7
Arkansas • Alps

Clear Quartz

SiO₂

Colorless quartz with glass-like luster and a commonly hexagonal crystal habit.

Mineral Class Tectosilicate
Traditional Symbolism Traditional: focus
Fibrous Quartz Mohs 6.5-7
South Africa • WA

Tiger's Eye

SiO₂ + Crocidolite

Pseudomorph of quartz replacing fibrous amphibole crocidolite, giving rise to its silky chatoyancy and golden-brown luster.

Mineral Class Quartz Pseudomorph
Traditional Symbolism Traditional: courage
verified_user Our Editorial Distinction

Mineral Facts & Traditional Meanings, Separated with Care.

We keep verifiable mineral facts strictly separate from historical folklore and traditional symbolism. Visual identification gives you a helpful starting point, but cannot replace laboratory testing or a professional gemologist.

Each published guide will list the references used. Mineral facts and historical folklore are reviewed and labeled separately.

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The Dual Taxonomy Standard
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GEOLOGICAL FACTS (Based on commonly used mineral references [Source])

Mineral composition, Mohs hardness, cleavage, water-care notes, and light sensitivity are presented with source notes.

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TRADITIONAL SYMBOLISM (Historical folklore & personal reflection)

Historical folklore, ancestral cultural symbolism, Ayurvedic and chakra meditation traditions, and mindfulness practices clearly demarcated from physical health science.

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Educational Notice: Crystal Compass curates natural history alongside historical and folklore traditions. Visual guides cannot confirm identity; consult a qualified gemologist for valuable or safety-critical specimens. Crystals are not medical treatments or psychiatric substitutes.

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