1 Definition
1.1 Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From silica, the main mineral content of Jasperoid
From Greek anthrakites, from anthrax, anthrak meaning coal
1.4 Class
Sedimentary Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock