Weight – (without base) 49.7 oz’s – 1409 gm’s
Dimensions – (without base) 6.3″ x 4.25″ long/wide (16 x 10.8 cm’s)
Country of Origin – Bolivia
Amethyst Cathedral Quartz Crystal
NZD $670.00
SKU: A948
This Amethyst Cathedral Quartz Crystal from Bolivia features awesome cathedral form, incredible color and nice clarity!! It has a touch of Ametrine in it! Normally these crystals from Bolivia have white crusty coatings on them, so getting clean ones like this is rare! The removable base featuring New Zealand Paua shell comes with the crystal! This specimen is in excellent condition.
In stock
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Amethyst Origins & Background
Amethyst has been valued across cultures for thousands of years for its rich violet coloration and its association with clarity, balance, and composure. The name Amethyst originates from the Greek word amethystos, meaning “not intoxicated,” reflecting an ancient belief that the stone helped maintain clear thinking and moderation.
Historically, Amethyst was considered a stone of royalty and spiritual authority. It adorned crowns, rings, and ceremonial objects in Ancient Greece and Rome and later throughout medieval Europe. Its purple color was rare and strongly associated with wisdom, restraint, and elevated status.
Significant Amethyst deposits are found in Brazil, Uruguay, Zambia, Madagascar, and Russia. Each locality produces crystals with distinctive growth habits, color zoning, and internal features, making provenance an important consideration for collectors and natural crystal enthusiasts.
Amethyst’s coloration develops through trace amounts of iron within the Quartz lattice combined with natural irradiation and geological heating over extended time periods. This process often creates layered growth zones that contribute to the depth and visual complexity seen in higher-quality specimens.
Some Amethyst crystals display structural growth features such as internal windows, phantoms, record keepers, and time-link faces. These are physical indicators of crystal formation traits and are valued for both the insight they provide into natural growth processes and to possible Metaphysical propoties.
Amethyst Geological Information
Amethyst is a violet variety of Quartz (Silicon Dioxide – SiO₂) that typically forms within cavities, veins, and geodes in igneous and metamorphic rock environments. Crystals usually grow as hexagonal prisms with pointed terminations.
The purple coloration results from trace iron incorporated into the Quartz structure combined with natural irradiation from surrounding rock. Subsequent geological heating stabilizes these color centers, producing hues that range from pale lavender to deep royal purple.
Amethyst commonly forms in volcanic environments, particularly within gas cavities of cooling basalt flows. Over millions of years, silica-rich fluids crystallize slowly, allowing layered growth and the development of internal zoning and structural features.
Common Geological Occurrences
- Volcanic basalt cavities and geodes
- Hydrothermal Quartz veins
- Metamorphic rock environments
Physical Properties
| Property | Value |
|---|---|
| Mineral Species | Quartz (Amethyst variety) |
| Chemical Formula | SiO₂ |
| Crystal System | Trigonal |
| Hardness (Mohs Scale) | 7 |
| Luster | Vitreous |
| Transparency | Transparent to translucent |
| Fracture | Conchoidal |
Amethyst Crystal Care & Ownership Advice
⚠️ Sunlight & Heat:
Prolonged exposure to intense sunlight or heat may cause some Amethyst specimens to fade over time. For long-term preservation, extended placement in direct sunlight is best avoided.
✋ Handling:
Amethyst is relatively durable, but sharp impacts can chip crystal points or edges. Handle specimens gently, especially clusters and terminated points.
🧼 Cleaning:
Clean Amethyst using lukewarm water and a soft brush. Avoid harsh chemicals, ultrasonic cleaners, or abrasive tools, which may damage crystal surfaces.
📦 Storage & Display:
Prolonged exposure to intense sunlight or high heat may cause some Amethyst specimens to fade over time.
For long-term preservation, extended placement in direct sunlight is best avoided. Indirect light or filtered natural light is ideal for display. This preserves color while still allowing the crystal’s natural beauty to be appreciated.
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Cathedral Quartz Origins & Background
Cathedral Quartz is a rare and highly structured growth formation of Quartz, distinguished by a dominant central crystal surrounded by multiple smaller, aligned secondary crystals that rise along its faces. These step-like formations create the appearance of spires or architectural “castling,” giving rise to the Cathedral name.
Unlike clusters or geodes, true Cathedral Quartz forms as a single, unified crystalline structure. All secondary points grow in alignment with the primary crystal, sharing the same crystallographic orientation and termination direction.
Cathedral Quartz may occur as Clear Quartz, Smoky Quartz, or more rarely as naturally colored Citrine. Clear and lightly colored Cathedrals are traditionally referred to as Lightbrary Cathedrals, a term reflecting their symbolic association with stored knowledge and accumulated wisdom.
Notable localities include Brazil, Arkansas (USA), Madagascar, Himalayan regions, and select Alpine environments. Each locality produces distinctive variations in scale, clarity, and structural refinement.
It is important to note that Cathedral Quartz is frequently mislabeled in the crystal trade. Amethyst geodes split from nodules, or random crystal clusters, are not Cathedral Quartz, regardless of visual similarity.
Cathedral Quartz Geological Information
Cathedral Quartz is composed of silicon dioxide (SiO₂) and crystallizes in the trigonal crystal system, like all Quartz varieties. What differentiates Cathedral Quartz is not its chemistry, but its highly disciplined growth behavior.
This formation develops when a primary Quartz crystal establishes dominance early in its growth cycle. Secondary crystals repeatedly nucleate along the faces of the main crystal under stable conditions, maintaining consistent alignment over long periods. The result is a coherent, architectural structure rather than competing or random crystal growth.
Because of this unified growth, Cathedral Quartz often displays exceptional internal order and clarity, with a strong sense of visual and energetic coherence.
Common Geological Occurrences
- Hydrothermal Quartz veins
- Long-term stable growth environments
- Regions with minimal tectonic disturbance during formation
Physical Properties
| Property | Value |
|---|---|
| Mineral Species | Quartz (Cathedral formation) |
| Chemical Formula | SiO₂ |
| Crystal System | Trigonal |
| Hardness (Mohs Scale) | 7 |
| Luster | Vitreous |
| Transparency | Transparent to translucent |
| Fracture | Conchoidal |
Cathedral Quartz Crystal Care & Ownership Advice
⚠️ Handling:
Cathedral Quartz often features delicate secondary points. Always lift from the base and avoid pressure on outer crystal faces.
🧼 Cleaning:
Water-safe for brief rinsing. Avoid prolonged soaking, especially for crystals with fractures or inclusions. Dry thoroughly.
☀️ Light:
Clear and Smoky Cathedral Quartz is light-stable. Naturally colored Citrine Cathedrals should be protected from prolonged intense sunlight.
📦 Storage & Display:
Store separately and ensure stable placement. Cathedral Quartz is best displayed where it will not be knocked or vibrated.
