Rocks 1
Has a hardness of 10 and will scratch everything.
What is a diamond?
The phase where the moon is fully illuminated.
What is the Full moon?
None of the moon is illuminated.
What is the New Moon?
Has a hardness of 1 and most everything scratches it.
What is Talc?
Will scratch glass and all previous. Has a hardness rating of 7.
What is Quartz?
This describes how a mineral's surface reflects light and how the interior of the mineral may refract or bend light.
What is Luster?
This means the moon appears to be growing.
What is waxing?
When the moon appears to get smaller.
What is waning?
This is the resistance of a mineral to scratching.
What is hardness?
This is an extremely useful industrial metal that is ductile (capable of being drawn into wire), malleable (capable of being hammered and molded) and an excellent conductor of electricity.
What is copper?
They usually have a glassy luster and is called a rock-forming mineral, very common, and usually makes up a large part of the rock.
What is feldspar?
The phase after the waxing crescent.
What is First Quarter?
The phase directly after a New Moon.
What is Waxing Crescent?
A sedimentary rock composed mostly of quartz sand, but it can also contain significant amounts of feldspar, and sometimes silt and clay.
What is Sandstone?
This is a sedimentary rock composed of very fine clay particles.
What is Shale?
A very porous, froth-like volcanic glass that has long been used as an abrasive in cleaning, polishing, and scouring compounds.
What is pumice?
The different shapes of the Moon that we see at different times of the month.
What are the phases of the moon?
The phase after the Full Moon.
What is Waning Gibbous?
It is a colorful and highly valued mineral due to its vibrant fluorescence when exposed to ultraviolet light.
What is Fluorite?
The principal constituent of limestone and marble. These rocks are extremely common and make up a significant portion of Earth's crust.
What is calcite?
Commonly called fool's gold, it is the Earth's most abundant sulfide mineral. Recognized for its brass-yellow color which resembles that of gold, it is a source of iron and sulfur and is used for the production of sulfuric acid.
The phase before the Full Moon.
What is Waxing Gibbous?
The phase where the left half of the Moon is illuminated.
What is the Last Quarter?
Igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes. it is extremely rich in silica (about 65 to 80 percent), is low in water, and has a chemical composition similar to rhyolite. It has a glassy luster and is slightly harder than window glass.
What is Obsidian?
It is blocky and appears shiny and smooth when you first see it, but look closer and you might see it has thin, alternating, shiny and dull layers.
What is Bituminous coal?