Herkimer quartz BRACELET - Height: 7.5 cm - Width: 5 cm- 14.39 g - (1)

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€ 10
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Georgia Foteinou
Expert
Selected by Georgia Foteinou

Holds BSc in geology and post-graduate qualifications in geochemistry.

Estimate  € 150 - € 200
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€10

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Open silver-plated bracelet featuring three natural Herkimer quartz crystals from Brazil, with dimensions 7 x 5 x 1 cm and a weight of 14.39 g.

AI-assisted summary

Description from the seller

Overview
Minimalist open bracelet in silver with three natural Herkimer crystals, known for their transparency and double-terminated crystal formation. An elegant and understated piece where the visual strength lies in the purity of the mineral.

2. Measurements and weight
Measurements: 7x 5x 1
Weight: 14.39

3. Mineral identification
Herkimer quartz (high-purity quartz variety with natural terminations).

4. Chemical formula
SiO₂

5. Hardness and density
Hardness: 7 (Mohs scale)
Approximate density: 2.65 g/cm³

6. Visual and geological reading
Herkimer crystals are characterized by natural growth with double termination, without the need for faceting. In this piece the original prism shapes are visible, with slight internal inclusions that confirm their natural, untreated origin.

7. Mineral history
Herkimer crystals derive their name from Herkimer County (New York, USA), where highly transparent specimens were already discovered in the 18th century. They have historically been valued by collectors and jewelers for their natural, perfect formation, which sets them apart from other quartz.

8. Mounting and artisanal work
Open rigid bracelet in silver-plated metal with a matte finish, designed to highlight the mineral without interference. The setting preserves the natural shape of the Herkimer, with no artificial faceting.

9. Design and aesthetics
Contemporary, minimalist aesthetic. The arrangement of three crystals creates visual balance, adding discreet elegance and versatility for daily wear or collection.

10. Authenticity and tests
Unfaceted crystals with natural geometry
Irregular internal inclusions
Characteristic transparency of genuine Herkimer
There are imitations in glass or treated quartz on the market; this piece presents features consistent with natural material.

11. Condition
Excellent condition, from an unused lot.

12. Provenance
Commercial-origin piece based on natural Herkimer crystals, selected for their clarity and formation.

13. Market, scarcity and investment
Authentic Herkimer crystals, especially mounted to respect their natural shape, are increasingly valued. Their combination of aesthetics and authenticity reinforces interest both in jewelry and in collecting.
Authentic specimens, especially in well-mounted pieces, are becoming less common, reinforcing their potential for appreciation.

14. Origin recognition
These pieces represent the interaction between natural geological processes and human work in their extraction and selection, where the effort at origin is essential.

15. Care and preservation
Avoid direct impact on the crystals. Clean with a soft cloth without abrasive products to preserve the natural shine of the quartz and the metal finish.

16. Conclusion
A piece that combines mineral purity, minimalist design and authenticity, ideal for personal use as well as for collection.
Choosing an authentic piece is not just a purchase; it is a conscious decision that combines beauty, discernment and real value.

Overview
Minimalist open bracelet in silver with three natural Herkimer crystals, known for their transparency and double-terminated crystal formation. An elegant and understated piece where the visual strength lies in the purity of the mineral.

2. Measurements and weight
Measurements: 7x 5x 1
Weight: 14.39

3. Mineral identification
Herkimer quartz (high-purity quartz variety with natural terminations).

4. Chemical formula
SiO₂

5. Hardness and density
Hardness: 7 (Mohs scale)
Approximate density: 2.65 g/cm³

6. Visual and geological reading
Herkimer crystals are characterized by natural growth with double termination, without the need for faceting. In this piece the original prism shapes are visible, with slight internal inclusions that confirm their natural, untreated origin.

7. Mineral history
Herkimer crystals derive their name from Herkimer County (New York, USA), where highly transparent specimens were already discovered in the 18th century. They have historically been valued by collectors and jewelers for their natural, perfect formation, which sets them apart from other quartz.

8. Mounting and artisanal work
Open rigid bracelet in silver-plated metal with a matte finish, designed to highlight the mineral without interference. The setting preserves the natural shape of the Herkimer, with no artificial faceting.

9. Design and aesthetics
Contemporary, minimalist aesthetic. The arrangement of three crystals creates visual balance, adding discreet elegance and versatility for daily wear or collection.

10. Authenticity and tests
Unfaceted crystals with natural geometry
Irregular internal inclusions
Characteristic transparency of genuine Herkimer
There are imitations in glass or treated quartz on the market; this piece presents features consistent with natural material.

11. Condition
Excellent condition, from an unused lot.

12. Provenance
Commercial-origin piece based on natural Herkimer crystals, selected for their clarity and formation.

13. Market, scarcity and investment
Authentic Herkimer crystals, especially mounted to respect their natural shape, are increasingly valued. Their combination of aesthetics and authenticity reinforces interest both in jewelry and in collecting.
Authentic specimens, especially in well-mounted pieces, are becoming less common, reinforcing their potential for appreciation.

14. Origin recognition
These pieces represent the interaction between natural geological processes and human work in their extraction and selection, where the effort at origin is essential.

15. Care and preservation
Avoid direct impact on the crystals. Clean with a soft cloth without abrasive products to preserve the natural shine of the quartz and the metal finish.

16. Conclusion
A piece that combines mineral purity, minimalist design and authenticity, ideal for personal use as well as for collection.
Choosing an authentic piece is not just a purchase; it is a conscious decision that combines beauty, discernment and real value.

Details

Number of objects
1
Main mineral
Herkimer quartz
Mineral form
BRACELET
Weight
14.39 g
Country of origin
Brazil
Height
7.5 cm
Width
5 cm
Depth
1 cm
SpainVerified
83
Objects sold
100%
Private

Disclaimer

It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.

It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.

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