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Results for “Crystal Specimens”

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Beautiful Iron pyrite on matrix: Title: Beautiful Iron pyrite on matrix Origin: Spain Size: 24 x 24 x 23 mm main crystal Description: Beautiful natural iron pyrite cluster. Great luster and shape. Very decorative. One gluing present

2026

Beautiful Iron pyrite on matrix

Chairish Auctions

Est. $150-$200

Buy Now for $130.00

46g Natural Agate Crystal Cave with Quartz Crystals: 46g Natural Agate Crystal Cave with Quartz Crystals A beautiful 46g natural agate crystal cave, showcasing delicate quartz crystals within its formations. Ideal for collectors and those drawn to uniqu

Apr 02, 2026

46g Natural Agate Crystal Cave with Quartz Crystals

Weatherham Estate Treasures

Est. $80-$120

8Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 934B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 8Ct Dimension: 17 x 10 x 4 mm Treatment: Natural Untreated Shape: Freeform Type:

3 days Left

8Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 934B

Ksmith Heritage Auctioneers

Est. $110-$220

4.57g Mexican Geode Druzy - Mineral Rough , 803E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 4.57g Dimension: 19x14 mm Treatment: Natural Untreated Shape: Freeform

3 days Left

4.57g Mexican Geode Druzy - Mineral Rough , 803E

Ksmith Heritage Auctioneers

Est. $20-$40

45Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1209B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 45Ct Dimension: 26 x 23 x 9 mm Treatment: Natural Untreated Shape: Freeform Type

4 days Left

45Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1209B

Ksmith Heritage Auctioneers

Est. $130-$260

40Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1087B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 40Ct Dimension: 36 x 16 x 7 mm Treatment: Natural Untreated Shape: Freeform Type

4 days Left

40Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1087B

Ksmith Heritage Auctioneers

Est. $130-$260

6.24g Mexican Geode Druzy - Mineral Rough , 1217E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 6.24g Dimension: 28x15 mm Treatment: Natural Untreated Shape: Freeform

2 days Left

6.24g Mexican Geode Druzy - Mineral Rough , 1217E

Ksmith Heritage Auctioneers

Est. $20-$40

8.14g Mexican Geode Druzy - Mineral Rough , 378E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 8.14g Dimension: 21x17 mm Treatment: Natural Untreated Shape: Freeform

4 days Left

8.14g Mexican Geode Druzy - Mineral Rough , 378E

Ksmith Heritage Auctioneers

Est. $20-$40

3.92g Mexican Geode Druzy - Mineral Rough , 748E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 3.92g Dimension: 16x13 mm Treatment: Natural Untreated Shape: Freeform

3 days Left

3.92g Mexican Geode Druzy - Mineral Rough , 748E

Ksmith Heritage Auctioneers

Est. $20-$40

33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 33Ct Dimension: 22 x 13 x 9 mm Treatment: Natural Untreated Shape: Freeform Type

4 days Left

33Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 1071B

Ksmith Heritage Auctioneers

Est. $90-$180

2.66g Mexican Geode Druzy - Mineral Rough , 812E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 2.66g Dimension: 16x11 mm Treatment: Natural Untreated Shape: Freeform

3 days Left

2.66g Mexican Geode Druzy - Mineral Rough , 812E

Ksmith Heritage Auctioneers

Est. $20-$40

26Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 116B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 26Ct Dimension: 31 x 13 x 7 mm Treatment: Natural Untreated Shape: Freeform Type

2 days Left

26Ct Winton Boulder Rough Opal - Australian Opal - Freeform Rough, 116B

Ksmith Heritage Auctioneers

Est. $70-$140

6.64g Mexican Geode Druzy - Mineral Rough , 743E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 6.64g Dimension: 24x19 mm Treatment: Natural Untreated Shape: Freeform

3 days Left

6.64g Mexican Geode Druzy - Mineral Rough , 743E

Ksmith Heritage Auctioneers

Est. $20-$40

4.23g Mexican Geode Druzy - Mineral Rough , 212E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 4.23g Dimension: 16x14 mm Treatment: Natural Untreated Shape: Freeform

2 days Left

4.23g Mexican Geode Druzy - Mineral Rough , 212E

Ksmith Heritage Auctioneers

Est. $20-$40

12.9Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 549E: Ksmith Heritage Auctioneers Subject: Natural Rough Opal Origin: Ethiopia Carat Weight: 12.9Ct Dimension: 13x10x3 mm Treatment: Smoked Shape: Freeform Type: Rough

4 days Left

12.9Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 549E

Ksmith Heritage Auctioneers

Est. $50-$100

13.2Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 922E: Ksmith Heritage Auctioneers Subject: Natural Rough Opal Origin: Ethiopia Carat Weight: 13.2Ct Dimension: 12x10x1 mm Treatment: Smoked Shape: Freeform Type: Rough

3 days Left

13.2Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 922E

Ksmith Heritage Auctioneers

Est. $50-$100

13.3Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 527E: Ksmith Heritage Auctioneers Subject: Natural Rough Opal Origin: Ethiopia Carat Weight: 13.3Ct Dimension: 15x11x3 mm Treatment: Smoked Shape: Freeform Type: Rough

4 days Left

13.3Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 527E

Ksmith Heritage Auctioneers

Est. $50-$100

13.5Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 875E: Ksmith Heritage Auctioneers Subject: Natural Rough Opal Origin: Ethiopia Carat Weight: 13.5Ct Dimension: 14x10x2 mm Treatment: Smoked Shape: Freeform Type: Rough

3 days Left

13.5Ct Smoked Rough Opal Specimen - Ethiopian Opal - Mineral Rough , 875E

Ksmith Heritage Auctioneers

Est. $50-$100

5.53g Mexican Geode Druzy - Mineral Rough , 401E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 5.53g Dimension: 16x14 mm Treatment: Natural Untreated Shape: Freeform

4 days Left

5.53g Mexican Geode Druzy - Mineral Rough , 401E

Ksmith Heritage Auctioneers

Est. $20-$40

4.8g Mexican Geode Druzy - Mineral Rough , 687E: Ksmith Heritage Auctioneers Subject: Natural Mexican Geode Druzy Origin: Mexico Carat Weight: 4.8g Dimension: 19x13 mm Treatment: Natural Untreated Shape: Freeform T

4 days Left

4.8g Mexican Geode Druzy - Mineral Rough , 687E

Ksmith Heritage Auctioneers

Est. $20-$40

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