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Antonio Rapisarda

Sphalerite ball on Quartz matrix from Borieva Mine, Madan Municipality, Smolyan Province, Bulgaria.

A remarkable sphalerite ball perched elegantly on a sparkling quartz matrix, originating from the well-known Borieva Mine, Madan Municipality, Smolyan Province, Bulgaria. The lustrous, dark sphalerite forms a distinct spherical aggregate set atop a bed of sharply terminated quartz crystals, creating a beautiful contrast in both form and texture.

The Borieva Mine in Madan Municipality, Smolyan Province, Bulgaria, is part of the famous Madan ore field known for its lead and zinc deposits. Mining in this region dates back to ancient times, with the Borieva Mine including several ore bodies like Petrovitsa and Yuzhna Petrovitsa. The mine has yielded notable mineral specimens, especially galena, sphalerite, pyrite, and quartz, making it well-regarded among mineral collectors. Historically, Madan and its mines contributed significantly to the local economy and remain key sources for world-class sulfide minerals.



Borieva Mine, Madan Municipality, Smolyan Province, Bulgaria

Sphalerite ball on Quartz matrix Specimen - Height: 10 cm - Width: 7 cm- 231 g

Minerals & Meteorites

Reserve price

No reserve price

Buy now

Closing date

Friday

Thursday

Tuesday

Saturday

9 August

tomorrow

Wednesday

12 August

Budget

From

Location

Germany

Italy

The Netherlands

Spain

Lithuania

France

United Kingdom

India

Poland

Portugal

Belgium

Türkiye

Latvia

Ireland

Hong Kong

Romania

Czech Republic

Estonia

Singapore

Switzerland

Canary Islands

Sweden

Taiwan

Greece

Hungary

Size

XS (under 10 cm)

S (10–40 cm)

M (40–80 cm)

L (over 80 cm)

Dimensions

Height

Width

Depth

Object

Metaphysical stones

Raw mineral

Carved mineral

Amber

Necklace

Meteorite

Ring

Earrings

Bracelet

Mineral cabochon

Pendant

2 piece jewellery set

Necklace with pendant

Lunar meteorite

Nugget

Rosary

Carving

3 piece jewellery set

Pallasite meteorite

Ancient tools

Amulet ring

Drop earrings

Brooch

Bangle

Collar necklace

Country of origin

Brazil

Madagascar

Afghanistan

Ethiopia

Pakistan

China

Uruguay

Australia

Morocco

Tanzania

Myanmar

South Africa

Peru

Kenya

United States

Dominican Republic

DR Congo

Indonesia

Mexico

Material

Silver

Metal

Gold-plated

Agate

Lapis Lazuli

Mineral

Yellow gold

Crystal

Marble

Stone

Gender

Women

Unisex

Condition

As new - unused

Natural

Excellent condition - barely used with minimal signs of wear

Enhanced

Very good condition - slightly used with small signs of wear

Excellent

Excellent condition

Good condition

Excellent condition: barely used with minimal signs of wear

Good condition - used with small signs of aging & blemishes

Restored

Good condition - used with some signs of wear

Hand carved

Reconstructed

Very good

Vintage - used with visible signs of wear

Period

Paleogene, Eocene (56 - 33.9 million years)

Cretaceous, Lower (145 - 100.5 million years)

2020+

2000-2010

1980-1990

1990-2000

Paleogene (66 - 23.03 million years)

1960-1970

Triassic (251.9 - 201.3 million years)

1650-1700

2010-2020

2025

Coral

Pearl

Natural Pearl

Turquoise

Opal

Amethyst

Lapis lazuli

Freshwater cultured pearl

Jade

Blood Coral

Mixed gemstones

Akoya cultured pearl

Ruby

Aquamarine

Sapphire

Tourmaline

Quartz

Chalcedony

Onyx

Emerald

Peridot

Carnelian

Rhodolite

Citrine

Certification

No laboratory report

Antwerp Laboratory for Gemstone Testing (ALGT)

GEM-TECH Istituto Gemmologico

Signature

Not signed

Round

Cabochon cut

Baroque

Oval

Faceted cut

Drop

Oval and Drop

Bead

Mixed shape

Fancy

Brilliant cut

Minerals & Meteorites

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Sphalerite ball on Quartz matrix Specimen - Height: 10 cm - Width: 7 cm- 231 g

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