All Products
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Rainbow Stromatolite (RS1)
Notes specific to this specimen: This is one of the original discovery pieces, collected by us in August 2025. It is characteristic of all the variety of colors found in this site. We’ve never seen such a variety of colors of stromatolite from a single site. It reminded us of all the colors of Arizona petrified wood – known as “Rainbow Wood” – and this became the source for our naming this new discovery “Rainbow Stromatolite”.
SIZE: 2″x 4″x 1.5″
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.
$285.00Rainbow Stromatolite (RS1)
$285.00 -
Volcanic Bomb (EB4)
Notes specific to this specimen: Large classic plump fusiform bomb with great aerodynamic striations. It looks like it encountered another in flight but did not complete the merging with it. Natural breaks reveals chalcedony interior which fluoresces a vibrant green. A great specimen.
SIZE: 10″ x 5″ x 4″
NAME: Various forms
AGE: Pliocene Epoch- 5 million years
UNIT: Banbury Formation
SITE: Elko County, NevadaDATE: 2020
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin.
$265.00Volcanic Bomb (EB4)
$265.00 -
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: 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 -
Rainbow Stromatolite (RS3)
Notes specific to this specimen: Another one of the original discovery pieces, collected by us in August 2025. Deep red colonies surrounded by high iron hematite matrix.
SIZE: 2″x 2.58″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.
$120.00Rainbow Stromatolite (RS3)
$120.00 -
Rainbow Stromatolite (RS2)
Notes specific to this specimen: Another one of the original discovery pieces, collected by us in August 2025. Unusual wine coloring with distinct colonies.
SIZE: 1.5″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.
$110.00Rainbow Stromatolite (RS2)
$110.00 -
Cerdito Prospect Rift Crystals (CP2)
Notes specific to this specimen: Incredible combination of small clear quartz crystals with purple fluorite crystals over top of botryoidal green fluorite. Nice standup piece has sawn-flat bottom and back showing the dynamic cracks and infilling produced by the North American Midcontinent Rift which happened about 1.1 billion years ago. Because of the fluorite, it fluoresces very strong purple/blue.
Documentation: This authentic mineral specimen comes with a Certificate of Authenticity and Origin.
$525.00 -
St Clair Flora – rare preservation (F10)
NAME: Alethopteris
AGE: Carboniferous Period – 305 million years
UNIT: Llewellyn Formation
SITE: Schuylkill County, PennsylvaniaSize: 11″ x 6″ x 1″
Notes specific to this specimen: Two sided specimen. Front has equal amount of positive and negative fern fossils. Back side is colored yellow by iron intrusion making it a nice contrast to the classic white ferns on the front.
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$750.00 -
St Clair Flora – rare preservation (F9)
Notes specific to this specimen: Two sided specimen – front and back are equally compelling with a dense accumulation of ferns. Back side is colored yellow by iron intrusion making it a nice contrast to the classic white ferns on the front. There are multiple layers showing around the edges.
NAME: Alethopteris
AGE: Carboniferous Period – 305 million years
UNIT: Llewellyn Formation
SITE: Schuylkill County, PennsylvaniaSize: 11″ x 6″ x 1″
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin. In addition, an attractive and informative display card accompanies the specimen.
$750.00
