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Specularite Standup (S4)
Notes specific to this specimen: This piece has a flat sawn bottom so that it stands up nicely. Multiple layers of specularite with interbedded red jasper, showing the classic layering characteristic of Banded Iron Formation (BIF). Glittery surfaces on both sides. Thick piece with several bands shown in cross section on sawn edgeÂ
SIZE: 7″ x 3″ x 3″
Minerals: Hematite and Magnetite
Age: Paleoproterozoic – 2.2 billion years
Unit: Negaunee Iron Formation
Site: Marquette County, MichiganDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$60.00Specularite Standup (S4)
$60.00 -
Specularite Standup (S2)
Notes specific to this specimen: This piece has a flat sawn bottom so that it stands up nicely. Multiple layers of specularite with interbedded red jasper, showing the classic layering characteristic of Banded Iron Formation (BIF). Glittery surfaces on both sides. Nice vertical relief with added thickness and layering a bottom Â
SIZE: 6″ x 2″ x 2″
Minerals: Hematite and Magnetite
Age: Paleoproterozoic – 2.2 billion years
Unit: Negaunee Iron Formation
Site: Marquette County, MichiganDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$65.00Specularite Standup (S2)
$65.00 -
Specularite Standup (S1)
Notes specific to this specimen: This piece has a flat sawn bottom so that it stands up nicely. Multiple layers of specularite with interbedded red jasper, showing the classic layering characteristic of Banded Iron Formation (BIF). Glittery surfaces on both sides.
SIZE: 3″ x 4″ x 1.5″
Minerals: Hematite and Magnetite
Age: Paleoproterozoic – 2.2 billion years
Unit: Negaunee Iron Formation
Site: Marquette County, MichiganDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$58.00Specularite Standup (S1)
$58.00 -
Crystalized Welks (W4)
Notes specific to this specimen: Fossil welks are much rarer than the clams found at Rucks Pit and most of them have no crystals. But, when you do find a nice crystal-line specimen, there’s nothing like it in the world! Here we have a nice natural window on the top side of the shell exposing beautiful gemmy dog-tooth calcite crystals on the inside. Also has a well-defined protoconch (the “tip” where the shell began). They don’t get much better than this!
SIZE: 5″
NAME: Mercenaria permagna
AGE: Pleistocene 2 million years
UNIT: Nashua Formation
SITE: Okeechobee County, FloridaDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$535.00Crystalized Welks (W4)
$535.00 -
Crystalized Welks (W3)
Notes specific to this specimen: Fossil welks are much rarer than the clams found at Rucks Pit and most of them have no crystals. But, when you do find a nice crystal-line specimen, there’s nothing like it in the world! Here we have a nice matrix specimen with a natural opening on the side of the shell exposing gemmy dog-tooth calcite crystals. They don’t get much better than this!
SIZE: 4″
NAME: Mercenaria permagna
AGE: Pleistocene 2 million years
UNIT: Nashua Formation
SITE: Okeechobee County, FloridaDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$360.00Crystalized Welks (W3)
$360.00 -
Fossil Echinoid (YT2)
Notes specific to this specimen: On rare occasions we find some of these specimens with iron oxide staining that offers a nice contrasting coloration in the shell. This is a great specimen mounted on its native matrix with sawn-flat bottom.
SIZE: 2″
NAME: Eupatagus antillarum
AGE: Eocene – 34 million years
UNIT: Ocala Limestone
SITE: Levy County, FloridaDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$85.00Fossil Echinoid (YT2)
$85.00 -
Fossil Echinoid (YT1)
Notes specific to this specimen: On rare occasions, we find some of these specimens with iron oxide staining that offers a nice contrasting coloration in the shell. This is a great specimen mounted on its native matrix with sawn-flat bottom so it displays nicely.
SIZE: 2″
NAME: Eupatagus antillarum
AGE: Eocene – 34 million years
UNIT: Ocala Limestone
SITE: Levy County, FloridaDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$85.00Fossil Echinoid (YT1)
$85.00 -
Crystalized Welks (W1)
Notes specific to this specimen: At our Rucks Pit site we sometimes come across fossil welks (conchs). On rare occasions they may be crystalized. This one has been cut in half to show the great crystal-lined hollow section inside. Rare find.
SIZE: 5″
NAME: Mercenaria permagna
AGE: Pleistocene 2 million years
UNIT: Nashua Formation
SITE: Okeechobee County, FloridaDocumentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$480.00Crystalized Welks (W1)
$480.00 -
Agatized Coral (AC12)
Note: This is a very nice cut and polished pair, mounted on another agatized coral piece that has a flat bottom. Beautiful carnelian agate. An attractive and informative display card accompanies the specimen.
SIZE: 3″x 6″
$185.00Agatized Coral (AC12)
$185.00 -
Agatized Coral (AC11)
Note: Beautiful carnelian agate. Segment of a large hollow piece with small flat bottom so it sits as shown.
SIZE: 6″x 7″
$85.00Agatized Coral (AC11)
$85.00 -
Rainbow Stromatolite (RS5)
Notes specific to this specimen:Â Another one of the original discovery pieces, collected by us in August 2025. Wild contrasts in the colors of these colonies.
SIZE: 2″x 4″x .5″
Name Collenia sp. (possible new species)
Age Anamikean / Paleoproterozoic – 1.88 billion years
Unit Gunflint Iron Formation
Site Ontario, Canada
Date 2025Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$150.00Rainbow Stromatolite (RS5)
$150.00 -
Rainbow Stromatolite (RS4)
Notes specific to this specimen: Another one of the original discovery pieces, collected by us in August 2025. Unique honey-color colonies with unusual dark laminae. Never seen anything like this!
SIZE: 2″x 2″x .75″
Name Collenia sp. (possible new species)
Age Anamikean / Paleoproterozoic – 1.88 billion years
Unit Gunflint Iron Formation
Site Ontario, Canada
Date 2025Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$165.00Rainbow Stromatolite (RS4)
$165.00
