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Mexico

Fine Black obsidian Skull

Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. It is commonly found within the margins of rhyolitic lava flows known as obsidian flows. These flows have a high content of silica, granting them a high viscosity. The high viscosity inhibits diffusion of atoms through the lava, which inhibits the first step (nucleation) in the formation of mineral crystals. Together with rapid cooling, this results in a natural glass forming from the lava.[7]
Obsidian is hard, brittle, and amorphous; it therefore fractures with sharp edges. 



Will be sent by insured and registered mail. 


Mexico

Obsidian Fine Black obsidian Skull - Height: 9 cm - Width: 6 cm- 522 g

Minerals & Meteorites

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tomorrow

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Size

XS (under 10 cm)

S (10–40 cm)

M (40–80 cm)

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Dimensions

Height

Width

Depth

Object

Metaphysical stones

Raw mineral

Carved mineral

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Country of origin

Brazil

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Dominican Republic

Myanmar

DR Congo

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Material

Silver

Gold-plated

Yellow gold

Stone

Agate

Lapis Lazuli

Metal

Gold leaf

Mineral

Gold

Steel

Malachite

Gender

Unisex

Women

Condition

As new - unused

Natural

Excellent condition - barely used with minimal signs of wear

Enhanced

Excellent condition

Very good condition - slightly used with small signs of wear

Good condition

Good condition - used with some signs of wear

Composed

Good condition - used with small signs of aging & blemishes

Excellent

Excellent condition: barely used with minimal signs of wear

Hand carved

Vintage - used with visible signs of wear

As new, unused

Period

Paleogene, Eocene (56 - 33.9 million years)

2020+

1990-2000

Neogene, Miocene (23.03 - 5.33 million years)

2026

Paleogene, Oligocene (33.9 - 23.03 million years)

Cretaceous, Lower (145 - 100.5 million years)

1970-1980

2010-2020

2000-2010

Coral

Pearl

Natural Pearl

Opal

Freshwater cultured pearl

Lapis lazuli

Onyx

Amethyst

Topaz

Aquamarine

Blood Coral

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Tourmaline

Peridot

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Mixed gemstones

Ruby

Citrine

Turquoise

Quartz

Spessartine

Rhodolite

Sapphire

Chalcedony

Certification

No laboratory report

GEM-TECH Istituto Gemmologico

Non-CITES species

Gem research Swiss Lab (GRS)

Gemological Institute of America (GIA)

Signature

Not signed

Round

Faceted cut

Cabochon cut

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Button

Pear

Mixed shape

Brilliant cut

Oval and Drop

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Obsidian Fine Black obsidian Skull - Height: 9 cm - Width: 6 cm- 522 g

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