scheelite | | igneus rock forms when lava erupts and cools |
marble | | example of a mineral with cleavage |
silica | | hard colorful mineral |
color | | hardest mineral of all, its also used for _______________ |
cleavage | | slow cycle that builds, destroys and changes Earths surface |
prospector | | when elements and compounds that are dissolved in water leave a solution, this occurs |
hardness | | material formed from oxygen and silicon |
slate | | mineral that splits easily is said to have |
solution | | characteristic of mineral, it cant form from materials that were once part of living things |
solid | | particles carried away from their source by water or wind |
silver | | searches for a ore deposit |
chemical | | mixture in whic one substance is dissolved in another |
intrusive | | if a mineral is more dense than water it will |
nonfoliated | | rocks are made of particles of minerals or other rocks that geologists call |
inorganic | | example of metamorphic rock 1 |
limestone | | characteristic of mineral,formed by processes in natural world |
compactation | | characteristic of mineral, pattern that repeats itself |
fracture | | example of sedimentary rock |
density | | characteristic of mineral, its particles are packed together tightly |
rockcycle | | mineral that is a source of metal |
aragonite | | look and feel of a rock surface |
organic | | the crystals of each mineral grow atom by atom to form that mineral's : |
metamorphicrock | | metamorphic rocks with grains arranged in parallel layers |
1g/ml | | characteristic property of a mineral used to identify it, color of its powder |
grains | | example of a mineral with reactivity |
float | | example of a mineral with fracture |
streak | | gemstones that are cut and polished |
crystalsystem | | example of a flourescent mineral |
reactivity | | igneus rock forms when magma hardened beneath Earths surface |
igneus | | mineral property that makes it glow under UV light |
crytals | | characteristic property of a mineral used to identify it, easily observed by sight |
mica | | type of sed rock formed when remains of plants and animals deposited |
luster | | characteristic property of a mineral used to identify it, mass in a given space |
crystalstructure | | one of three major groups of rocks 2 |
clastic | | metamorphic rocks grains arranged randomly |
talc | | type of sedimentary rock formed whenparticles squeezed together |
gem | | characteristic property of a mineral used to identify it, how light is reflected on its surface |
igneusrock | | one of three major groups of rocks 3 |
vein | | forms when particles of other rocks or remains of plants and animals are cemented together |
sedimentarytock | | mineral that breaks in an irregular way is said to have |
crystallization | | ancient Egytians used it for statues |
metamorphic | | mineral property that makes it reacts chemically to acids |
definitechemicalcomposition | | when liquids cool to a solid state they form |
erosion | | narrow channel or slab of rock |
gemstone | | forms when existing rock is changed by heat, pressure or chemical reactions |
texture | | example of metamorphic rock 2 |
quartz | | if a mineral is less dense than water it will |
fluorescence | | particles deposited as loosely packed sediment |
diamond | | characteristic of mineral, always contains certain elements in definite proportions |
granite | | softest mineral of all, its also used for ___________ |
coral | | particles glued together as mineral solutions harden |
deposition | | type of sed rock formed when minerals dissolved in solutions crystallize |
foliated | | characteristic property of a mineral used to identify it, based on a scale |
naturallyocurring | | density of water |
sedimentary | | forms from the cooling of magma or lava |
sink | | particles squeezed together under great pressure |
extrusive | | one of three major groups of rocks 1 |
cementation | | polyp like animal that has calcium carbonate skeleton |