Smoky Quartz Large Crystal – A Striking Natural Specimen from Brazil

Smoky Quartz Large Crystal – A Striking Natural Specimen from Brazil

$1,916.83

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Overview

This impressive Smoky Quartz Crystal, sourced from Brazil, showcases a deep, translucent hue and well-defined crystal structure, making it a stunning specimen for collectors, educators, and enthusiasts of natural history. Formed over millions of years through geological processes, this remarkable piece highlights the beauty and complexity of Earth’s mineral formations.

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Specifications

• Species/Type: Smoky Quartz (SiO₂ – Quartz variety)

• Locality: Brazil

• Geological Formation: Naturally formed over millions of years through exposure to natural radiation within the Earth’s crust, giving it its characteristic smoky coloration.

• Dimensions: 322 mm x 90 mm (approximately 13.0 in x 4.0 in)

• Weight: 2.1 kg (approximately 5 lbs)

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Geological Significance & Formation

Smoky quartz is a unique variety of quartz that owes its deep, smoky brown to nearly black coloration to natural radiation exposure from surrounding rock over long periods. Brazil is renowned for producing some of the world’s finest quartz specimens, with this particular crystal being an exceptional representation of the mineral’s natural beauty.

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Unique Features & Scientific Appeal

• Distinctive Aesthetic: This large, elongated crystal boasts a rich smoky hue with excellent clarity and a well-defined termination, making it a visually captivating display specimen.

• Rarity & Quality: Superior transparency, sharp crystal faces, and an impressive size make this an outstanding and rare find among smoky quartz specimens.

• Educational Value: An excellent teaching tool for geology students, mineral enthusiasts, and collectors, showcasing mineral formation, crystal structure, and natural radiation effects on quartz.

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Collector & Display Appeal

• For Collectors: A high-quality addition to any curated mineral collection, highlighting the stunning effects of natural geological processes.

• For Educators & Institutions: A valuable specimen for academic use, offering insight into crystallography, mineralogy, and Earth’s geological history.

• For Interior Decor & Energy Work: Smoky quartz is often prized in metaphysical circles for its grounding and protective properties, making it a sought-after crystal for energy healing and home decor.

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Own a genuine piece of Earth’s geological artistry with this exceptional Smoky Quartz Large Crystal from Brazil—a breathtaking specimen that combines natural beauty with scientific wonder.

25-0013

Up for sale is this neat fossil specimen of a Promicroceras planicosta Ammonite Fossil which is agatized. This piece was found in Charmouth, Dorset, England in Lower Lias Formation, Obtusum Zone.

Promicroceras species are commonly found in South West England, particularly along the Dorset coast.

Pyritic Promicroceras fossils are commonly found along the coast of Lyme Regis where they are well preserved in the Lower Jurassic (Sinemurian) Black Ven Marl.

This piece measures:

(Rock) : 2.3" x 1.3"x 0.6" (60mm x 32mmx 15mm),

(Ammonite) : 0.6" x 0.4" (14mm x 11mm)

Weight: 44 grams

This piece was found in Charmouth, Dorset, England, Great Britain

The pictured item is the actual item that will be shipped.

We guarantee the authenticity of this specimen.

Free Shipping to the USA!

Promicroceras planicosta Ammonite Fossil Great Britain

Promicroceras planicosta Ammonite Fossil Great Britain

$35.76

Handmade
Materials: Shale, Fossils
Width: 3.3 inches

Height: 1.5 inches

Depth: 0.4 inches

Up for sale is this neat fossil specimen of a Promicroceras planicosta Ammonite Fossil which is agatized. This piece was found in Charmouth, Dorset, England in Lower Lias Formation, Obtusum Zone.

Promicroceras species are commonly found in South West England, particularly along the Dorset coast.

Pyritic Promicroceras fossils are commonly found along the coast of Lyme Regis where they are well preserved in the Lower Jurassic (Sinemurian) Black Ven Marl.

This piece measures:

(Rock) : 3.3" x 1.5"x 0.4" (85mm x 39mmx 11mm),

(Ammonite) : 0.5" x 0.4" (12mm x 10mm)

Weight: 58 grams

This piece was found in Charmouth, Dorset, England, Great Britain

The pictured item is the actual item that will be shipped.

We guarantee the authenticity of this specimen.

Free Shipping to the USA!

Optical Calcite Rhombohedron Icelandic Spar

Optical Calcite Rhombohedron Icelandic Spar

$36.87

Up for sale is this lovely Optical Calcite Rhombohedron which is also known as an Icelandic Spar. Calcite naturally cleaves into the rhombohedron shape.

The double-refraction property of this crystal was important to understanding the nature of light as a wave, which was studied by the likes of Isaac Newton and Christiaan Huygens.

This piece measures : 3.0” x 2.4x 1.6” (75mm x 61mm x 40mm)

Weight: 520g

This piece was mined out of Nueva Leon, Mexico.20-0012

Optical Calcite Rhombohedron Icelandic Spar Mexico

Optical Calcite Rhombohedron Icelandic Spar Mexico

$36.87

Up for sale is this lovely Optical Calcite Rhombohedron which is also known as an Icelandic Spar. Calcite naturally cleaves into the rhombohedron shape.

The double-refraction property of this crystal was important to understanding the nature of light as a wave, which was studied by the likes of Isaac Newton and Christiaan Huygens.

This piece measures : 3.2” x 1.8” x 1.2” (82mm x 46mm x 29mm)

Weight: 292g

This piece was mined out of Nueva Leon, Mexico.

The pictured item is the actual item that will be shipped.20-0014

Optical Calcite Rhombohedron Icelandic Spar Nueva Leon Mexico

Optical Calcite Rhombohedron Icelandic Spar Nueva Leon Mexico

$36.87

Up for sale is this lovely Optical Calcite Rhombohedron which is also known as an Icelandic Spar. Calcite naturally cleaves into the rhombohedron shape.

The double-refraction property of this crystal was important to understanding the nature of light as a wave, which was studied by the likes of Isaac Newton and Christiaan Huygens.

This piece measures : 3.6” x 2.4” x 1.2” (92mm x 61mm x 30mm)

Weight: 469g

This piece was mined out of Nueva Leon, Mexico.

The pictured item is the actual item that will be shipped.20-0015

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Smoky Quartz Large Crystal – A Striking Natural Specimen from Brazil

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