Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Iron_Age
|
| gptkbp:appearance |
perfect in two directions
|
| gptkbp:category |
gptkb:Ferengi
|
| gptkbp:chemical_formula |
Ca Al2 Si2 O8
|
| gptkbp:color |
gptkb:white
|
| gptkbp:difficulty |
6-6.5 on Mohs scale
|
| gptkbp:discovery |
first described in 1823
|
| https://www.w3.org/2000/01/rdf-schema#label |
anorthite
|
| gptkbp:is_found_in |
gptkb:moon_rocks
|
| gptkbp:luster |
vitreous
|
| gptkbp:named_after |
the Greek word 'anorthos'
|
| gptkbp:notable_artifact |
plagioclase
|
| gptkbp:occurs_in |
igneous rocks
|
| gptkbp:population_density |
2.75 g/cm³
|
| gptkbp:structure |
triclinic
|
| gptkbp:uses |
gptkb:ceramics
|
| gptkbp:bfsParent |
gptkb:plagioclase_feldspar
gptkb:natural_labradorite |
| gptkbp:bfsLayer |
7
|