silver
Let an agent explain silver as an element and material, support identification and purity questions, describe uses and markets with sourced data, and address health and environmental aspects.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Element Properties.
Properties
Physical and chemical.
Properties
Properties.
- What are the key properties of silver, and why does it conduct so well? definition
- Why does it tarnish, and how is tarnish removed safely? provenance
Isotopes
Isotopes.
Isotopes
Isotopes.
- Which silver isotopes are stable, and which radioactive ones are used or studied? provenance
- What is silver-110m used for? provenance
Items Identifying silver.
Marks
Hallmarks.
Marks
Hallmarks.
- What do the marks on this item say about its silver content and origin? provenance
- Is it sterling, fine or plated? boundary
Value
Valuing silver.
Value
Value.
- What is the metal value of this item at the quoted spot price? measurement
- Is the user asking for investment advice? boundary
Uses Applications.
Industry
Industrial uses.
Industry
Industry.
- How is silver used in electronics, solar panels and photography? provenance
- Which uses drive demand, according to industry reports? provenance
Medicine
Medical uses.
Medicine
Medicine.
- How is silver used in wound care and antimicrobial products, according to evidence? provenance
- What are the risks of consuming colloidal silver, according to health authorities? provenance
World Mining and history.
Mining
Production.
Mining
Production.
- Which countries produce the most silver, according to survey data? provenance
- What are the environmental impacts? provenance
History
Silver in history.
History
History.
- How did silver shape coinage, trade and empires, according to historians? provenance
- Which mines were historically important? provenance
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.MAT
- Other names and narrower kinds
- native silver, silver-105, silver-93, silver-94, silver-94m1, silver-94m2, silver-95, silver-95m1, silver-95m2, silver-95m3, silver-96, silver-96m1
What it is Filled
A chemical element with symbol Ag and atomic number 47, a soft, white, lustrous precious and noble metal with the highest electrical and thermal conductivity of any metal, occurring as native silver and in ores, used in jewellery, coinage, electronics, photography, mirrors, medicine and as an investment metal; it has many isotopes, of which silver-107 and silver-109 are stable.
Why it exists Filled
Let an agent explain silver as an element and material, support identification and purity questions, describe uses and markets with sourced data, and address health and environmental aspects.
Distinguishing features Filled
- Highest electrical conductivity
- Precious and noble metal
- Tarnishes with sulfur
- Antimicrobial properties
What robots and AI may and may not do Filled
Must not
- Present plated or alloyed items as solid or sterling silver.
- Advise use of silver products as cures for disease.
- Help trade silver from illegal mining or to launder money.
- Handle silver compounds or processing wastes without the protections they require.
Only with a human decision
- Buying or selling silver on a person's behalf.
- Valuing heirlooms or antiques for sale or inheritance.
May
- Report silver's properties, uses and prices from published sources with dates.
- Test and grade silver items by recognised hallmarks or assay results.
Moral aspects Filled
- Silver mining can poison water and harm workers and communities.
- Silver objects often carry family and religious meaning beyond their metal value.
Who is affected
- Miners and refinery workers
- Buyers of silver goods
- Communities near mines
Owners Filled
Steward
The person who holds it; assay offices verify hallmarks.
Master systems
- Hallmarking and assay office registers
Links to other meta-models Filled
parent
- Q271449 - registry parent class
- Q585302 - registry parent class
related
- precious metal - category
- noble metal - category
- fineness - measure
- Roman currency - historical coinage
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.silver
- Wikidata: Q1090 (https://www.wikidata.org/wiki/Q1090)
- symbol: Ag chemical symbol
- CAS number: 7440-22-4 chemical registry
Direct properties required Filled
- atomic number: 47
- melting point: 961.8 C
- density: 10.49 g/cm3 - at room temperature
Recognition required Filled
- Bright white lustre
- Tarnish film
- Silver-plated items have a base metal core
- Bright white metal that tarnishes to black silver sulfide.
Capabilities and actions required Filled
- explain properties and isotopes
- identify silver items and purity
- describe uses in industry and medicine
- report prices and markets with sources
Hazards and failure modes required Filled
- Counterfeit or plated items sold as solid
- Argyria from ingesting colloidal silver
- Environmental toxicity of silver ions
Standards and interfaces required Filled
- Hallmarking laws
- LBMA silver good delivery standard
- Regulations on silver in medical and consumer products
Context of use required Filled
- Jewellery, industry, investment and medicine.
- native silver and ores
- sterling and fine silver
- silver alloys and plating
- silver compounds
- silver isotopes
Sources Filled
- Wikidata item Q1090: silver - identity and sense of the item
- Wikipedia: Silver - general description of the item
Open questions
- Should silver compounds be separate entries?
- How should price sources be linked?
- How should health guidance be linked?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q1090/spec.json