Onyx Ring / new- 3.65 g - (1)
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Onyx ring from Uruguay, set in 925 sterling silver, total weight 3.65 g, size U 55 (UK O, US 7.2).
AI-assisted summary
Description from the seller
Ring Black Onyx / cut / new
Set in 925 sterling silver.
Total weight: 18.25 ct / 3.65 g
11.7 mm x 11.5 mm
Brand new and unworn
Ring size
U 55
UK O
US 7.2
Fr 15
Inner diameter: 17.5 mm
As Onyx are special color varieties of chalcedony or agate. By definition, pure black-colored chalcedony as well as black-and-white banded agate are considered onyx. If the mineral occurs as an unstructured mass, it is called chalcedony; if it consists of clearly visible, differently colored layers or bands, it is called agate. Chalcedony and, therefore, the varieties agate and onyx are micro- to cryptocrystalline varieties of the mineral quartz (SiO2).
The writer and poet Gotthold Ephraim Lessing (1729–1781), who was interested in natural history, stated: “The white layer of onyx is always chalcedony; namely what we now call chalcedony is a milky agate. When a darker layer is added, the stone is called onyx.”
In distinction from onyx, uniformly brown chalcedonies (in antiquity and later also yellow-red to red) are called carnelian (also sard) and black‑white‑red to red-brown banded chalcedonies (agates) are called sardonyx.
Like chalcedony and agate, onyx is opaque to faintly translucent and is found in nature mainly as fine-grained, porous mineral aggregates in botryoidal to nodular or stalactitic forms with often a fibrous appearance.
Shipping as insured registered mail.
Seller's Story
Dipl. Geol. Tim Güldenpfennig
Translated by Google TranslateRing Black Onyx / cut / new
Set in 925 sterling silver.
Total weight: 18.25 ct / 3.65 g
11.7 mm x 11.5 mm
Brand new and unworn
Ring size
U 55
UK O
US 7.2
Fr 15
Inner diameter: 17.5 mm
As Onyx are special color varieties of chalcedony or agate. By definition, pure black-colored chalcedony as well as black-and-white banded agate are considered onyx. If the mineral occurs as an unstructured mass, it is called chalcedony; if it consists of clearly visible, differently colored layers or bands, it is called agate. Chalcedony and, therefore, the varieties agate and onyx are micro- to cryptocrystalline varieties of the mineral quartz (SiO2).
The writer and poet Gotthold Ephraim Lessing (1729–1781), who was interested in natural history, stated: “The white layer of onyx is always chalcedony; namely what we now call chalcedony is a milky agate. When a darker layer is added, the stone is called onyx.”
In distinction from onyx, uniformly brown chalcedonies (in antiquity and later also yellow-red to red) are called carnelian (also sard) and black‑white‑red to red-brown banded chalcedonies (agates) are called sardonyx.
Like chalcedony and agate, onyx is opaque to faintly translucent and is found in nature mainly as fine-grained, porous mineral aggregates in botryoidal to nodular or stalactitic forms with often a fibrous appearance.
Shipping as insured registered mail.
Seller's Story
Dipl. Geol. Tim Güldenpfennig
Translated by Google TranslateDetails
Number of items
1
Main Mineral
Onyx
Mineral Form
Ring / new
Supplement
925. Sterling silver
Weight
3.65 g
Country of Origin
Uruguay
Sold by
GermanyVerified
protop
Rechtliche Informationen des Verkäufers
- Unternehmen:
- Tim Güldenpfennig
- Repräsentant:
- Tim Güldenpfennig
- Adresse:
- Tim Güldenpfennig
Hegelstr. 32
72108 Rottenburg
GERMANY - Telefonnummer:
- +4915756630304
- Email:
- tigue@gmx.de
- USt-IdNr.:
- DE246631347
AGB
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Widerrufsbelehrung
- Frist: 14 Tage sowie gemäß den hier angegebenen Bedingungen
- Rücksendkosten: Käufer trägt die unmittelbaren Kosten der Rücksendung der Ware
- Vollständige Widerrufsbelehrung
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.
