Herkimer Diamond New York

$905.59

Up for sale This Beautiful Herkimer Diamond.

Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York and the Mohawk River Valley.

Location: New York, United States

Age: over 500 million years old

piece measures: 6.3” (160mm) x 5.3” (134mm) x 3.2” (81mm)

Weight: 1609g

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22-0100

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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