Statements (60)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:jewelry
|
| gptkbp:availability |
Widely available
|
| gptkbp:available_colors |
Light to deep blue
Varies with treatment |
| gptkbp:care_instructions |
Avoid harsh chemicals
|
| gptkbp:characteristic |
Birefringent
|
| gptkbp:color |
gptkb:blue
gptkb:Blue |
| gptkbp:color_variation |
Stable under normal conditions
Sky blue, Swiss blue, London blue |
| gptkbp:composed_of |
Al2 Si O4(F, OH)2
|
| gptkbp:cultural_significance |
Popular in various cultures
|
| gptkbp:cut |
Faceted
Precision cutting for brilliance Round, oval, pear, cushion |
| gptkbp:difficulty |
8 on the Mohs scale
|
| gptkbp:discovery |
Open-pit mining
|
| gptkbp:emphasizes |
transparent
Eye clean to included |
| gptkbp:enhances |
None or minor
|
| gptkbp:famous_jewelry_designers |
Various renowned designers
|
| gptkbp:fashion_uses |
Earrings, necklaces, rings
|
| gptkbp:gemstone_certification |
GIA, AGS
|
| gptkbp:gemstone_family |
gptkb:Topaz
|
| gptkbp:gemstone_market |
Global market presence
|
| gptkbp:gemstone_properties |
Durable and suitable for everyday wear
|
| gptkbp:gemstone_trade |
Widely traded in the gemstone market
|
| gptkbp:historical_significance |
Used in ancient jewelry
|
| https://www.w3.org/2000/01/rdf-schema#label |
Swiss Blue Topaz
|
| gptkbp:is_found_in |
Igneous rocks
|
| gptkbp:is_visible_from |
gptkb:Transparent
|
| gptkbp:jewels |
gptkb:November
|
| gptkbp:marketed_as |
gptkb:Swiss_Blue_Topaz
|
| gptkbp:mining_locations |
Various global locations
|
| gptkbp:mythology |
Believed to bring good fortune
|
| gptkbp:natural_resources |
Silicate minerals
|
| gptkbp:notable_artifact |
gptkb:granite
gptkb:Brazil |
| gptkbp:notable_collection |
Gemstone enthusiasts
|
| gptkbp:notable_exhibitions |
Gem shows and fairs
|
| gptkbp:notable_locations |
Mines in Brazil and Nigeria
|
| gptkbp:notable_products |
Various designer pieces
|
| gptkbp:origin |
gptkb:Switzerland
|
| gptkbp:popular_colors |
Bright blue, deep blue
|
| gptkbp:popular_settings |
Sterling silver, gold
|
| gptkbp:price_range |
Affordable to high-end
|
| gptkbp:size |
Available in various carat sizes
|
| gptkbp:structure |
Orthorhombic
|
| gptkbp:surface |
3.49 to 3.57
|
| gptkbp:symbolism |
Love and affection
|
| gptkbp:treatment |
irradiation
Heat and irradiation Irradiation and heat treatment |
| gptkbp:treatment_risks |
Potential for color fading if exposed to heat
|
| gptkbp:trends |
Popular in modern jewelry design
|
| gptkbp:uses |
gptkb:jewelry
|
| gptkbp:values |
Varies based on size and quality
varies based on size and quality |
| gptkbp:bfsParent |
gptkb:Blue_Topaz
|
| gptkbp:bfsLayer |
5
|