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Do diamonds have luster metallic?
Diamonds do not have a metallic luster; diamond luster is adamantine to waxy.
What type of luster does calcite have?
Calcite typically exhibits a vitreous or glassy luster.
What is the luster of apatite?
Like quartz it has a glassy luster
What is the luster of a graphite?
Graphite is black and posseses dull appearance
Is basalt older than sandstone?
== == Some basalts may be older than some sandstones, but ages of sandstones and basalts vary tremendously. Some sandstones are therefore older than some basalts. Oceanic basalts are rarely over 200 million years in age.
How does peridot form?
Peridot forms deep within the Earth's mantle in conditions of high pressure and temperature. It is commonly found in volcanic rocks called basalts and peridotite. The gemstone can also be found in meteorites that have landed on Earth.
What do hot spots do?
flood basalts and volcanoes
Why are the crystals in pillows basalts smaller than those in many other examples of basalts?
A factor that determines crystal size in igneous rocks is the speed in which the lava/ magma crystallised or froze. As pillow basalts form at mid ocean ridges where magma is erupted into direct contact with the cold sea water the crystals form very fast and are therefore small. Other basalts erupted on land still have relatively small crystals and crystallised relatively fast but overall slower then pillow basalts.
What is the main mineral type in oceanic plates?
basalts
What do hot spots form?
flood basalts and volcanoes
What is basalts crystal structure?
It is rich in iron and magnesium
The Columbia plateau is an excellent example of?
flood basalts
What types of rock are associated with shield volcanoes?
Basalts.
Do diamonds have luster metallic?
Diamonds do not have a metallic luster; diamond luster is adamantine to waxy.
What are some examples of rocks that came from fire?
Granites and basalts.
Does nickel have luster?
the answer is luster/
Does pyrite have luster?
All minerals have luster. There are different types of luster. Pyrite has metallic luster.
