Crystals and Minerals

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 : 3.5” x 2.2 x  1.6” (90mm x 55mm x 44mm)

Weight: 556g

This piece was mined out of Nueva Leon, Mexico. 

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

Free Shipping to the USA!20-0010

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

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 : 3.4” x 2.3” x  1.3” (85mm x 59mm x 34mm)

Weight: 510g

This piece was mined out of Nueva Leon, Mexico.20-0016

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

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

Up for sale is a lovely, large specimen of Boulder Opal.

The specimen features of bueatiful multi colored layers of Opal on a facade of the specimen. 

Opal is originally formed from a solution of silica in water, hydrated silica. The silica as concentrated by evaporation to a state of gel, which then filled cracks and cavities in sandstone, ironstone and basalt, and further evaporation of the water caused the gel to set into Solid Opal.

The piece measures: 0.6" x 0.4" x 0.2" (15mm x 11mm x 3mm)

Weight: 0.6g (2.8 carats)

This piece is from mines in the Winton, Queensland, Australia.18-0047

Up for sale is a lovely, large specimen of Boulder Opal.

The specimen features a gemmy white and gray layer of Opal across one of the facades of the specimen.

Opal is originally formed from a solution of silica in water, hydrated silica. The silica as concentrated by evaporation to a state of gel, which then filled cracks and cavities in sandstone, ironstone and basalt, and further evaporation of the water caused the gel to set into Solid Opal.

The piece measures: 2.7" x 1.6" x 1.3" (67mm x 41mm x 32mm)

Weight: 112g (560 carats)

This piece is from mines in the Winton, Queensland, Australia.18-0041

Up for sale is a lovely, large specimen of Boulder Opal.

The specimen features of bueatiful multi colored layers of Opal on a facade of the specimen. 

Opal is originally formed from a solution of silica in water, hydrated silica. The silica as concentrated by evaporation to a state of gel, which then filled cracks and cavities in sandstone, ironstone and basalt, and further evaporation of the water caused the gel to set into Solid Opal.

The piece measures: 0.6" x 0.4" x 0.2" (15mm x 11mm x 4mm)

Weight: 1.1g (5.5 carats)

This piece is from mines in the Winton, Queensland, Australia.18-0044

Up for sale is a lovely, large specimen of Boulder Opal.

The specimen features of bueatiful multi colored layers of Opal on a facade of the specimen. 

Opal is originally formed from a solution of silica in water, hydrated silica. The silica as concentrated by evaporation to a state of gel, which then filled cracks and cavities in sandstone, ironstone and basalt, and further evaporation of the water caused the gel to set into Solid Opal.

The piece measures: 1.3" x 1.2" x 1.2" (34mm x 31mm x 31mm)

Weight: 50g (250 carats)

This piece is from mines in the Winton, Queensland, Australia.18-0043

Up for sale is a lovely specimen made of Calcite from the famous Elmwood Mine, Smith County, Tennessee. The calcites from this mine are charecteristed by their golden honey color.

The edges and points are of high quality with minor chipping and no modifications.

The piece measures: 5.0” (127mm) x 4.5” (114mm) x 3.5” (78mm)

Weight: 4.5lbs (2.0Kg) 

22-0014

Up for sale is a lovely specimen made of Calcite from the famous Elmwood Mine, Smith County, Tennessee. The calcites from this mine are charecteristed by their golden honey color.

The edges and points are of high quality with minor chipping  and no modifications. 

The piece measures: 7.1” (180mm) x 5.0” (127mm) x 3.5” (89mm)

Weight: 3.1lbs (1.4Kg)

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22-0009

Up for sale is a lovely specimen made of Calcite from the famous Elmwood Mine, Smith County, Tennessee. The calcites from this mine are charecteristed by their golden honey color.

The edges and points are of high quality with minor chipping and no modifications.

The piece measures: 4.5” (114mm) x 3.75” (95mm) x 3.5” (89mm)

Weight: 2.3lbs (1.0Kg)

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22-0010

Up for sale is a lovely specimen made of Green Quartz from Madagascar. The green hue in these beautiful crystals is spectacular.

The edges and points are of high quality with minor chipping and no modifications.

The piece measures: 7.5” (190mm) x 5.0” (127mm) x 3.5” (89mm)

Weight: 4.1lbs (1.9Kg)

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22-0016

Up for sale is a lovely specimen made of Calcite from the famous Elmwood Mine, Smith County, Tennessee. The calcites from this mine are charecteristed by their golden honey color.

The edges and points are of high quality with minor chipping and no modifications.

The piece measures: 8.8” (223mm) x 6.0” (152mm) x 3.5” (78mm)

Weight: 3.5lbs (1.6Kg)

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22-0012

Up for sale is a lovely specimen made of A very clear Fluorite from China. There a light green hue in these beautiful crystals.

The edges and points are of high quality with minor yo no chipping and no modifications.

The piece measures: 7.0” (177mm) x 3.0” (76mm) x 3.0” (76mm)

Weight: 3.4lbs (1.5Kg)

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22-0017

Up for sale is a lovely specimen made of Elestial Quartz.
There a light green hue in these beautiful crystals.

The edges and points are of high quality with minor yo no chipping and no modifications.

Weght: 3.4lbs (1.5Kg)

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22-0018

Up for sale is a lovely specimen made of Elestial Quartz with Amethyst found within giving off the purple hue from Brazil. 

This beautiful large piece with lovely unique characteristics.

Weght: 4.7lbs (2.1Kg)

This piece measures: 10.5” (266mm) x 5.0” (127mm) x 2.5” (63mm)

This piece was found in Minas Gerais, Brazil. 

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22-0020

Up for sale this beautiful Crystal with Calcite, Mineral Specimen

Calcite is a mineral formed by calcium carbonate, class 05 of the Strunz classification, the so-called mineral carbonates and nitrates. Its name comes from the Latin calx, which means quicklime.

Location: Brazil

Age: about 100 millions years old

piece measures: 6.0” (150mm) x 3.3” (84mm) x 1.0” (20mm)

Weight: 294g

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22-0114

Up for sale this unique uncut Brazilian Emerald is a vibrant rich green variant of Emerald and is considered amongst the best sources of Emerald in the world next to Colombia and Zambia.

Location: Brazil

piece measures: 2.0” (50mm) x 1.7” (43mm) x 1.0” (25mm)

Weight: 78g

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23-0013