The black sand beaches in Hawaii are primarily comprised ofvolcanic mineralsandlava fragments.The uniqueblack colorof the sand is a result of the rapid cooling and solidification of molten lava when it comes into contact with water. As the lava cools, it shatters into tiny fragments, which are eventually weathered and broken down into smaller particles over time, forming the black sand.The specificmineralspresent in the black sand can vary depending on the composition of the volcanic rock in the area, but common minerals found in black sand beaches include basalt, obsidian, and pyroxene.Volcanic activity is responsible for the black sand, the specific composition of minerals andlava fragmentscan vary between different black sand beaches inHawaii.To learn more about thevolcanic minerals, follow the link:brainly.com/question/33444750#SPJ6...

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