Geological Specimens

Similar Upcoming Sales

Large Mixed Mineral Scholar's Rock

Loon Estates4.6

(180)

$35(2 bids)

7 days Left

31" Giant Clam Shell, Tridacna gigas

Leland Little4.5

(738)

$400(5 bids)

3 days Left

AN UNMOUNTED TOPAZ

Bonhams4

(383)

$1,000(1 bid)

Whoopi Goldberg | Assorted Loose Gemstones

Julien's Auctions4.2

(77)

$300(5 bids)

12 mins Left

25" Giant Clam Shell, Tridacna gigas

Leland Little4.5

(738)

$250(4 bids)

3 days Left

AN EGYPTIAN GRANODIORITE JAR PREDYNASTIC PERIOD, NAQADA I-II, CIRCA 4000-3200 B.C.

PLAKAS4.3

(7)

£4,200(3 bids)

20 hrs Left

28" Giant Clam Shell, Tridacna gigas

Leland Little4.5

(738)

$400(4 bids)

3 days Left

Whoopi Goldberg | Unmounted Loose Emerald Gemstones

Julien's Auctions4.2

(77)

$1,500

12 mins Left

Amethyst Rock Crystal Cathedral Geode

Auctions at Showplace4.5

(819)

$125(2 bids)

Mar 26, 2026

Unit McIntosh C200 Stereo Hi-Fi Preamplifier Audiophile High End Audio Control

SEUYCO4.5

(58)

$3,950

571 Lots Away

Native American Lot of Points, Spheres and Artifacts

Atlee Raber Auctions4.6

(540)

$100(3 bids)

6 days Left

QUARTZ CRYSTAL CLUSTER

Redlands Antique Auction4.8

(1k)

$150(3 bids)

4 days Left

Two large Faux Seashells Gigas tridacna (Giant Clam) One made by restoration hardware and one made

Bill Hood & Sons Art & Antique Auctions4.6

(748)

$50

12 mins Left

A MOUNMENTAL ITALIAN IMPERIAL PORPHYRY FRAGMENT LATE 18TH/EARLY 19TH CENTURY

PLAKAS4.3

(7)

£2,600

20 hrs Left

Tridacna Gigas Giant Clam Shell

Davis Brothers Auction4.1

(815)

$30(2 bids)

2 days Left

Prehistoric Geological Stone Concretion

Loon Estates4.6

(180)

$18(2 bids)

7 days Left