1 Definition
1.1 Definition
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
1.3 History
1.3.1 Origin
1.3.2 Discoverer
1.4 Etymology
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple
From French schiste, Greek skhistos i.e. split
1.5 Class
Igneous Rocks
Metamorphic Rocks
1.5.2 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.6 Family
1.6.2 Group
1.7 Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock