Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:item
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Indiana
|
| gptkbp:awards |
vitreous to pearly
|
| gptkbp:color |
gptkb:green
|
| gptkbp:difficulty |
5.5-6 on Mohs scale
|
| gptkbp:discovered_by |
gptkb:Purdue_University
|
| https://www.w3.org/2000/01/rdf-schema#label |
Purdueite
|
| gptkbp:ingredients |
(Ca, Na)(Mg, Fe)3(Al, Fe)2 Si8 O22(OH)2
|
| gptkbp:named_after |
gptkb:Purdue_University
|
| gptkbp:social_structure |
monoclinic
|
| gptkbp:surface |
3.2-3.4
|
| gptkbp:uses |
gptkb:item
|