Calcite Stalactite Formation

Description

Rare calcite stalactite formation from China. 13” x 5.5” x 4”. 5 lbs, 9 oz.

Buyer's Premium

15%

Dimensions

13 x 5.5 x 4 in

Weight

5.9 lb

Calcite Stalactite Formation

Lot 0257

Estimate $1,000-$1,200Sep 19, 2026, 1:00 PM EDT

Starting Price

Secure

$400

Good Bid

Strong Bid

Competitive Bid

Or select a higher max bid amount

Get approved to bid.

Fall Rock and Fossil Timed Clearance Auction

Sep 19, 2026, 1:00 PM EDT

Houston, TX, United States

Huge Cubic Pyrite, Chalcopyrite and Sphalerite Specimen: Huge cubic pyrite, chalcopyrite and sphalerite formation from the Huanzala Mine in Ancash, Peru. 10" x 14" x 8". 36 lbs.

Sep 19, 2026Huge Cubic Pyrite, Chalcopyrite and Sphalerite Specimen

$900

Large Botryoidal Malachite Stalactite Formation: Large botryoidal malachite stalactite formation from the DR Congo. 14" x 11" x 6". 33 lb, 6 ounces.

Sep 19, 2026Large Botryoidal Malachite Stalactite Formation

$2,000

71 Pound Amethyst Crystal Cluster: Huge amethyst crystal cluster. 20" x 20" x 5". 71 lbs, 3 oz.

Sep 19, 202671 Pound Amethyst Crystal Cluster

$700

Live Edge Labradorite Freeform: Large, live edge, front-polished labradorite freeform from Madagascar. 10" x 5.5” x 4.5". 12 lb, 3 ounces.

Sep 19, 2026Live Edge Labradorite Freeform

$350

Green Amethyst Stalactite Formation: Spectacular green amethyst stalactite formation on custom steel stand from Brazil. 24” x 14.5” x 8”. 47 lbs, 12 oz.

Sep 19, 2026Green Amethyst Stalactite Formation

$1,000

Huge Bluish Grey Chalcedony Plate with Stilbite and Quartz Crystals: Huge bluish-grey chalcedony plate with stilbite and quartz crystals. 16" x 21" x 5". 61 lbs, 10 oz.

Sep 19, 2026Huge Bluish Grey Chalcedony Plate with Stilbite and Quartz Crystals

$700

Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen: Cubic pyrite, chalcopyrite and highly fluorescent calcite formation from the Huanzala Mine in Ancash, Peru. 6" x 9" x 3.5". 7 lbs.

Sep 19, 2026Cubic Pyrite, Chalcopyrite and Fluorescent Calcite Specimen

$350

Apophyllite and Peach Stilbite Cluster: Clear apophyllite and peach stilbite cluster from Maharashtra, India. 10" x 8.5" x 3". 10 lbs.

Sep 19, 2026Apophyllite and Peach Stilbite Cluster

$90

Two Mosasaur Tooth Fossils in Matrix: Two Mosasaur tooth fossils in matrix. Each is approximately 3.5" x 3.5" x 1.75". 1 pound, 7 ounces.

Sep 19, 2026Two Mosasaur Tooth Fossils in Matrix

$1

Amethyst Flower Plate: Large, delicate amethyst flower plate with secondary amethyst crystals. 11" x 9" x 3.5". 3 lbs, 12 oz.

Sep 19, 2026Amethyst Flower Plate

$150

Green Aventurine Obelisk: Green aventurine obelisk from Brazil. 9” x 2.75” x 2”. 2 lbs, 8 oz.

Sep 19, 2026Green Aventurine Obelisk

$30

Large Polished Lapis Lazuli Freeform - Chipped: Large polished lapis lazuli freeform with chip from Afghanistan. 7.25" x 4" x 2.5". 6 lb.

Sep 19, 2026Large Polished Lapis Lazuli Freeform - Chipped

$50

Yun Nan Calcite Stalactite Formation: Huge Yun Nan calcite stalactite formation on custom wood stand. This specimen was $3200 at a gem store. 23” x 10” x 7”. 27 lbs, 2 oz.

Sep 19, 2026Yun Nan Calcite Stalactite Formation

$600

Remarkable Calcite Stalactite: Remarkable, freestanding calcite stalactite from China. 18.5" x 2.5" x 5.5". 4 lbs, 9 oz.

Sep 19, 2026Remarkable Calcite Stalactite

$250

Large Desert Rose Selenite Formation: Large desert rose selenite formation with large flowers. 7" x 11" x 8". 15 lbs, 9 oz.

Sep 19, 2026Large Desert Rose Selenite Formation

$125

Cubic Pyrite, Chalcopyrite and Calcite Specimen: Cubic pyrite, chalcopyrite and fluorescent calcite formation from the Huanzala Mine in Ancash, Peru. 5.5" x 7" x 5". 4 lbs, 12 oz.

Sep 19, 2026Cubic Pyrite, Chalcopyrite and Calcite Specimen

$200

Calcite and Barite Formation: Beautiful calcite and barite formation. 6.5" x 5.5" x 2.75". 1 pound, 11 oz.

Sep 19, 2026Calcite and Barite Formation

$1

Rare Dark Polished Bullseye Malachite Specimen: Rare dark polished bullseye malachite specimen from the DR Congo. 4.5” x 4.5” x 2”. 2 lbs, 14 oz.

Sep 19, 2026Rare Dark Polished Bullseye Malachite Specimen

$125

Yellow Dogtooth Calcite Formation: Yellow dogtooth calcite formation with large blades. 8.5” x 10.5" x 4.5". 15 lbs, 4 oz.

Sep 19, 2026Yellow Dogtooth Calcite Formation

$175

Polished Bullseye Malachite Formation: Polished bullseye malachite formation from the DR Congo. 5.5" x 7.25" x 2". 3 lb, 12 ounces.

Sep 19, 2026Polished Bullseye Malachite Formation

$175

Related Items

Yun Nan Calcite Stalactite Formation: Huge Yun Nan calcite stalactite formation on custom wood stand. This specimen was $3200 at a gem store. 23” x 10” x 7”. 27 lbs, 2 oz.

Sep 19, 2026Yun Nan Calcite Stalactite Formation

$600

Remarkable Calcite Stalactite: Remarkable, freestanding calcite stalactite from China. 18.5" x 2.5" x 5.5". 4 lbs, 9 oz.

Sep 19, 2026Remarkable Calcite Stalactite

$250

TOP