APPENDIX. 



339 



Genus. 



Quartz 



Silicious slate 

 Petrosilex. 

 Mica . . . 



Schorl . 



Feldspar . 

 Prehnite . 



Hornblende 

 Woodstone 



II. EARTHS AND STONES. 

 Species. 



Varieties. 



Common quartz 



Amethyst. 

 Ferruginous quartz 

 Prase. 



Chalcedony 



Hornstone. 

 Jasper . . 



Heliotrope. 

 Opal . . 



f Milky. 



I Radiated. 



I Tabular. 



j Greasy. 



I Granular. 



I Arenaceous. 



I Pseudoraorphous. 



(^ Amethystine. 



f Yellow, 

 t Red. 



^ Common. 

 I Cacholoug. 

 , -] Carnelian. 

 I Sardonyx. 

 [ Agate. 



{Common. 

 Striped. 

 Ked. 



. Common. 



f Common. 



■ \ Basanite. 



( Common. 



• \ Gold yellow. 



f Common. 



■ \ Indicolite. 

 . Common. 



. Radiated. 



< Common. 

 \ Actynolite. 



Calcareous spar . . 

 Granular limestone 

 Compact limestone . 



Agaric mineral . 



r Mineralized wood. 

 \ Agatized wood, 

 r Ci-ystallized. 

 1 Lamellar. 



f Stalactite. 



t i 



r Common. 

 ■ \ Earthy. 

 ] Common. 

 , _ ■ \ Fossil farina. 



Carbonate of lime \ j Oolite. 



Concreted carbonate of j Calcareous sinter {^^^^^ 



y Calcareous tufa. 

 Pseudomorphous carbonate of 

 lime. 



]\jarl Ludus helmontii. 



f Fibrous. 

 I Granular. 



Sulphate of Ume . Gypsum -, Oranularly foliated. 



[ Earthy. 

 FluateofUme Fluorspar. 



