15th Century and Earlier Natural Specimens
935
to
104
373
270
935
935
935
3
1
1
1
1
1,019
203
741
1,837
102
210
196
17
2
6
9
13
19
50
53
29
20
Height
to
Width
to
723
328
277
253
193
386
202
178
150
140
8
Period: 15th Century and Earlier
Azurite on Custom Made Metal Base
Located in BAARN, UT
Azurite is a copper carbonate, usually found in combination with other copper minerals such as its much better known green brother malachite.
The mineral is full blue in color and is virtually opaque with a silky sheen.
Azurite usually forms in oxidation zones of copper deposits, where secondary to malachite other minerals such as chrysocolla and naturally solid copper can...
Category
Congolese Antique 15th Century and Earlier Natural Specimens
Materials
Other
Agate Slice on Metal Base
Located in BAARN, UT
The slice is 2cm thick.
Agate is a largely translucent and variety of quartz and subvariety of chalcedony.
Agate consists mainly of chalcedony and sometimes in combination with v...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Other
Stunning Unusually Shaped White Quartz with Stalactite Formation
Located in London, GB
A stunning formation of white quartz on a wooden Stand.
This beautiful and delicate piece presents a white quartz formation inside a geode.
Al...
Category
Uruguayan Antique 15th Century and Earlier Natural Specimens
Materials
Agate, Amethyst, Quartz
Crystal Center Thin Slice Agate Sculpture, Brazil, Prehistoric
Located in New York, NY
Brazilian thin slice of agate mounted on a custom steel stand.
Agate is a banded form of finely-grained, microcrystalline Quartz.
The lovely color patterns and banding make this t...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Agate
Giant Genuine Natural Colombian Copal
Located in New York, NY
This specimen is a large, museum quality piece of Colombian Copal. It is some of the highest quality Copal in the world. Copal is geologically younger than Amber. Copal is known for containing excellent insect specimens...
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Other
Moroccan Crinoid Fossil about 450 Million Years Old
Located in Chicago, IL
Moroccan fossil named Crinoid, which are about 450 million years old. Crinoid fossils, or sea lilies are members of the Echinodermata phylum. Our Crinoi...
Category
Moroccan Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Grey Concentric Circles Agate Sculpture on Stand, Brazil, Prehistoric
Located in New York, NY
Grey Brazilian thick slice of agate mounted on a steel stand.
Agate is a banded form of finely-grained, microcrystalline Quartz.
The lovely color patterns and banding make this tr...
Category
Brazilian Antique 15th Century and Earlier Natural Specimens
Materials
Agate
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