| gptkbp:instanceOf | gptkb:granite 
 | 
                        
                            
                                | gptkbp:asbestosForm | Yes 
 | 
                        
                            
                                | gptkbp:associatedWith | gptkb:Serpentine gptkb:Dolomite
 gptkb:Calcite
 gptkb:Talc
 Chlorite
 
 | 
                        
                            
                                | gptkbp:birefringence | 0.025-0.028 
 | 
                        
                            
                                | gptkbp:category | Inosilicate 
 | 
                        
                            
                                | gptkbp:chemicalFormula | Ca2Mg5Si8O22(OH)2 
 | 
                        
                            
                                | gptkbp:cleavage | Perfect 
 | 
                        
                            
                                | gptkbp:color | Colorless Gray
 Green
 White
 
 | 
                        
                            
                                | gptkbp:crystalSystem | Monoclinic 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1789 
 | 
                        
                            
                                | gptkbp:event | Metamorphic rocks Contact metamorphosed limestones
 Dolomitic marbles
 
 | 
                        
                            
                                | gptkbp:fracture | Splintery 
 | 
                        
                            
                                | gptkbp:habit | Prismatic crystals Bladed
 Columnar
 Fibrous aggregates
 
 | 
                        
                            
                                | gptkbp:hardnessMohs | 5-6 
 | 
                        
                            
                                | gptkbp:IMA_symbol | Trm 
 | 
                        
                            
                                | gptkbp:location | gptkb:Val_Tremola,_Switzerland 
 | 
                        
                            
                                | gptkbp:luster | Vitreous 
 | 
                        
                            
                                | gptkbp:namedAfter | gptkb:Val_Tremola 
 | 
                        
                            
                                | gptkbp:notableVariant | gptkb:Nephrite gptkb:Hexagonite
 Mountain cork
 Mountain leather
 
 | 
                        
                            
                                | gptkbp:opticalProperties | Biaxial (-) 
 | 
                        
                            
                                | gptkbp:pleochroism | Weak 
 | 
                        
                            
                                | gptkbp:radioactive | Non-radioactive 
 | 
                        
                            
                                | gptkbp:refractiveIndex | 1.599-1.640 
 | 
                        
                            
                                | gptkbp:relatedGroup | gptkb:Amphibole 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:Hornblende gptkb:Anthophyllite
 gptkb:Actinolite
 
 | 
                        
                            
                                | gptkbp:riskFactor | Carcinogenic (asbestos form) 
 | 
                        
                            
                                | gptkbp:solubility | Insoluble in water 
 | 
                        
                            
                                | gptkbp:specificGravity | 2.99-3.03 
 | 
                        
                            
                                | gptkbp:streak | White 
 | 
                        
                            
                                | gptkbp:symmetry | C2/m 
 | 
                        
                            
                                | gptkbp:systematicName | Calcium magnesium silicate hydroxide 
 | 
                        
                            
                                | gptkbp:transparency | Transparent to translucent 
 | 
                        
                            
                                | gptkbp:uses | Industrial asbestos (historically) 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Precious_Stone gptkb:Nephrite
 gptkb:Gem
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Tremolite 
 |