rocks and minerals Crossword

tendency of a mineral to break evenly along its weakest plane
tendency of a mineral to breaks unevenly or irregularly.
ability of a mineral to resist being scratched.
formed when magma have cooled down
quality and intensity of reflected light exhibited by the mineral
are formed when rocks change their original shape and form due to intense heat or pressure.
a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement
composed of one type of mineral only
composed of more than one type of mineral.
an aggregate of one or more minerals.
- used to determine the hardness of the mineral through its ability to scratch another mineral.
are formed by the accumulation of other eroded substances
The ratio of the density of the mineral to the density of water.
the color it displays in finely powdered form.
test used to determine streak of a mineral.
a process in which rocks are continuously transformed between the three rock types igneous, sedimentary and metamorphic.
is the molten or semi-molten natural material from which all igneous rocks are formed.
a to repetitive layering in metamorphic rocks.
the second most abundant mineral in Earth's continental crust
a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point.