Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Composite material
Biomineral |
| gptkbp:alsoKnownAs |
Mother of pearl
|
| gptkbp:color |
Iridescent
|
| gptkbp:composedOf |
gptkb:Conchiolin
Aragonite |
| gptkbp:density |
2.6-2.85 g/cm³
|
| gptkbp:firstDescribed |
Ancient times
|
| gptkbp:form |
Biomineralization
|
| gptkbp:foundIn |
Pearls
Mollusk shells |
| gptkbp:hardness |
2.5-4.5 Mohs
|
| gptkbp:hasResource |
Calcium carbonate
|
| gptkbp:notableFor |
gptkb:Lustre
Strength Toughness |
| gptkbp:producedBy |
gptkb:Abalone
Oysters Pearl mussels |
| gptkbp:solubility |
Insoluble in water
|
| gptkbp:structure |
Brick-and-mortar
|
| gptkbp:usedFor |
gptkb:jewelry
Musical instruments Decoration |
| gptkbp:bfsParent |
gptkb:Mother_of_Pearl
|
| gptkbp:bfsLayer |
7
|