Results for “Opal Rocks”

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3.99ct Natural Fancy Color Sapphire Oval Mixed Cut Loose Gemstone, 3TH: Fancy color sapphire faceted into a compact oval mixed cut with polished table and pavilion facets. The stone displays a soft pastel green body color with good light return and subtle internal silk in

2 days Left

3.99ct Natural Fancy Color Sapphire Oval Mixed Cut Loose Gemstone, 3TH

Est.

US$25

-

US$100

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

119.66 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 81YR: This genuine natural rutilated quartz rough features distinct needle-like black rutile inclusions embedded within translucent clear quartz crystal, formed through natural hydrothermal geological proce

2 days Left

119.66 Carats Natural Black Rutilated Quartz Raw Rough Crystal Chunk, 81YR

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

535ct Natural Malachite Rough Raw Mineral Specimen, 56YT: Formed through natural geological mineralization processes, this unpolished malachite rough displays inherent textural layering developed over prolonged underground formation cycles. The material reta

2 days Left

535ct Natural Malachite Rough Raw Mineral Specimen, 56YT

Est.

US$20

-

US$100

US$20

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

470ct Natural Malachite Rough Raw Mineral Specimen, 54YT: Formed through natural geological mineralization processes, this unpolished malachite rough displays inherent textural layering developed over prolonged underground formation cycles. The material reta

2 days Left

470ct Natural Malachite Rough Raw Mineral Specimen, 54YT

Est.

US$20

-

US$100

US$20

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

84.75 Carats Natural Bi-Color Ametrine Raw Rough Crystal Chunk, 75YR: This genuine natural ametrine rough showcases a seamless blend of soft lavender amethyst and pale golden citrine hues formed within a single quartz crystal. Delicate rusty orange mineral inclusions an

2 days Left

84.75 Carats Natural Bi-Color Ametrine Raw Rough Crystal Chunk, 75YR

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.95 Carats Natural Brazilian Pink Topaz Oval Faceted Loose Gemstone, 86TH: This specimen is composed of natural topaz sourced from Brazilian mineral deposits, processed via professional faceted lapidary techniques with consistent glossy polishing applied to the entire crysta

2 days Left

3.95 Carats Natural Brazilian Pink Topaz Oval Faceted Loose Gemstone, 86TH

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

206.25ct Natural Peruvian Chrysocolla Polished Slab Rough, 93YS: This partial-polished chrysocolla slab features blended mineral matrix with smooth refined face and unaltered natural rugged edge across its 45x27x23mm elongated form, translucent mineral layers hold

2 days Left

206.25ct Natural Peruvian Chrysocolla Polished Slab Rough, 93YS

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

14.40 Carats Natural Brazilian Sky Blue Topaz Cushion Faceted Loose Gemstone, 37XY: Constructed from genuine natural topaz sourced from Brazilian mineral deposits, the raw material has been refined through professional faceted lapidary processing with consistent glossy polishing acro

2 days Left

14.40 Carats Natural Brazilian Sky Blue Topaz Cushion Faceted Loose Gemstone, 37XY

Est.

US$20

-

US$200

US$20

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

34ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 32YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

34ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 32YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

32.15 Ct Natural Blue Opal Oval cab: Weight - 32.15 Ct / Dimensions - 29.00 x 18.60 x 8.50 mm / Shape - Oval cab / Color - Blue / Clarity - Opaque / Origin -Brazil / Treatment - None

Sep 14, 2026

32.15 Ct Natural Blue Opal Oval cab

Est.

US$75

-

US$150

US$1

Bangkok, TH

Gems Auction

4.7

(485)

7.07ct Natural Freshwater Pearl - Pale Lavender Pink Sphere 9.8mm, 47YG: This specimen is natural freshwater pearl, fully polished into a symmetrical spherical cabochon with soft pale lavender-pink nacre luster and subtle warm taupe reflective undertones. Fine faint surfac

2 days Left

7.07ct Natural Freshwater Pearl - Pale Lavender Pink Sphere 9.8mm, 47YG

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

440ct Natural Malachite Rough Raw Mineral Specimen, 51YT: Formed through natural geological mineralization processes, this unpolished malachite rough displays inherent textural layering developed over prolonged underground formation cycles. The material reta

2 days Left

440ct Natural Malachite Rough Raw Mineral Specimen, 51YT

Est.

US$20

-

US$100

US$20

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

53ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 29YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

53ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 29YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

34ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 47YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

34ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 47YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

525ct Natural Malachite Rough Raw Mineral Specimen, 48YT: Formed through natural geological mineralization processes, this unpolished malachite rough displays inherent textural layering developed over prolonged underground formation cycles. The material reta

2 days Left

525ct Natural Malachite Rough Raw Mineral Specimen, 48YT

Est.

US$20

-

US$100

US$20

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

86ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 7YQ: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2 days Left

86ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 7YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

30.20 Ct Natural Green Opal Round Cab: weight - 30.20 Ct / Dimensions - 25.60 x 25.60 x 6.60 mm / Shape & Cut - Excellent Round Cab / Origin - Brazil / Comments - None

Sep 14, 2026

30.20 Ct Natural Green Opal Round Cab

Est.

US$75

-

US$150

US$1

Bangkok, TH

Gems Auction

4.7

(485)

1.65 Carats Natural Lemon Yellow Long Emerald Cut Tourmaline Loose Faceted Gemstone, 96XZ: Natural translucent lemon yellow elbaite tourmaline expertly fashioned into an elongated emerald step-cut loose gemstone, featuring clean linear step facets that deliver sleek, even light transmission

2 days Left

1.65 Carats Natural Lemon Yellow Long Emerald Cut Tourmaline Loose Faceted Gemstone, 96XZ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 94YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

18ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 94YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

385ct Natural Type A Burmese Jadeite Jade Sliced Rough, 63YK: This specimen is a sliced rough block of natural Type A Burmese jadeite jade. The interior displays natural colour zoning with visible mineral veining and crystalline patterns typical of unprocessed j

2 days Left

385ct Natural Type A Burmese Jadeite Jade Sliced Rough, 63YK

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

59.37 Carats Natural Pietersite Loose Cabochon Gemstone, 70WJ: This genuine natural pietersite bears swirling blended blue, grey and rust orange mineral veining formed by natural geological silicate deposition. Interwoven fibrous crystalline formations and natura

2 days Left

59.37 Carats Natural Pietersite Loose Cabochon Gemstone, 70WJ

Est.

US$35

-

US$200

US$35

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 42YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2 days Left

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 42YQ

Est.

US$10

-

US$200

US$10

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

3.81 Carats Natural Swiss Blue Topaz Loose Gemstone, 5WP: This genuine natural swiss blue topaz displays consistent saturated blue coloration inherent to unprocessed natural mineral specimens. Formed through natural geological formation, the stone carries su

2 days Left

3.81 Carats Natural Swiss Blue Topaz Loose Gemstone, 5WP

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

6.99ct Natural Freshwater Pearl - Muted Lavender Taupe Sphere 9.9mm, 46YG: This specimen is natural freshwater pearl, fully polished into a compact symmetrical spherical cabochon with muted lavender taupe nacre luster and deep smoky reflective crown tones. Fine delicate surf

2 days Left

6.99ct Natural Freshwater Pearl - Muted Lavender Taupe Sphere 9.9mm, 46YG

Est.

US$25

-

US$200

US$25

Sathorn, Bangkok

Lazo Heritage

4.4

(22)

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