those are the options, plase answer them when you know the answer. thanks! Bioti
ID: 289566 • Letter: T
Question
those are the options, plase answer them when you know the answer. thanks!
Biotite Calcite Galena Garnet Gypsum Halite Hematite Mafic Minerals Magnetite Muscovite Olivine Plagioclase Feldspar Potassium Feldspar Pyrite Quartz Talc Mineral 1 Property Description Color and luster See photographs above Ranges from being barely harder than a finger nail to harder than a copper penny, but not harder than a glass plate Hardness Streak White Cleavage See photographs above Acid Reaction? Does not react to acid Magnetic Not magneticExplanation / Answer
Mineral 1 : Muscovite
(Diagnostic properties: Foliated form. Pearly lustre, Hardness between finger nail and steel nail)
Mineral 2 :Quartz
(Diagnostic Properties: No Cleavage, Hardness: Harder or Equal to streak plate, Vitreous Lustre)
Mineral 3: Potassium Feldspar
(Diagnostic Properties: Flesh coloured, Hardness : harder than finger nail, less than streak plate)
Mineral 4 : Plagioclase Feldspar
(Diagnostic Properties: Light/ White colored,Hardness : harder than finger nail, less than streak plate, Twinning present)
Mineral 5: Galena
(Diagnostic Properties: High Specific gravity, metallic lustre, Streak: black, Hardness: harder or equal to finger nail)
Mineral 6: Magnetite
(Diagnostic Properties: Hardness : Harder than steel nail, not harder than streak plate, Streak : black, Magnetic, metallic to sub metallic lustre)
Mineral 7 : Calcite
(Diagnostic Properties: Colourless, Reactive to Acid, Harder than finger nail but not harder than copper coin )
Mineral 8 : Gypusm
(Diagnostic Properties:Colourless, Hardness: Softer than or equal to finger nail )
IF YOU FOUND THE ANSWER HELPFUL, A THUMBS UP WOULD BE APPRECIATED!!! THANKS!!!
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.