mineraldatacollection

"MINERAL DATA COLLECTION"

Minerals with Metallic Lustre
Mineral	Colour	Lustre	Hardness	Streak	Relative Density
native copper	copper	metallic	2.5 - 3	copper	8.8 - 8.9
hematite	red	metallic	5 - 6	red/black	4.9 - 5.3
gold	yellow	metallic	2.5 - 3	yellow gold	19.3
chalcopyrite	brassy yellow	metallic	3.5 - 4	greenish black	4.1 - 4.3
pyrrhotite	bronze yellow	metallic	3.5 - 4.5	greyish black	4.4 - 4.7
pyrite	yellow	metallic	6 - 6.5	brown/black	4.8 - 5.2
native silver	slver white	metallic	2.5 - 3	white	10 - 11
galena	grey	metallic	2.5 - 3	dark grey	7.4 - 7.6
magnetite	blackish grey	metallic	5.5	black	5
graphite	black	almost metallic	1 - 2	grey/black	2 - 2.3

Minerals with Non-matallic Lustre
Mineral	Colour	Lustre	Hardness	Streak	Relative Density
bauxite	red-brown	dull	1 - 3	red to grey	2 - 2.6
chromite	black	submetallic	3.5 - 4	brown	4.3 - 4.6
opal	whitish grey	glassy	0.5 - 1.5	light yellow	1.5
native sulphur	earthy yelow	resinous	1.5 - 2.5	yellow-brown	2 2.1
malachite	green	glassy to silky	3.5 - 4	light green	3.9 - 4
calcite Iceland spar	clear to white	glassy	3	colourless	2.7
calcite	whitish yellow	glassy to dull	2 - 3	white	2.7
obsidian	black to grey	glassy	6	white	2.2 - 2.8
talc soapstone	green to whitish	pearly to dull	1 - 1.5	white	2.7 - 2.8
gypsum	whitish to grey	pearly to glassy	1.5 - 2	white	2.3
halite	white	glassy	2 - 3	white	2.1 - 2.6
muscovite	light brown	glassy	2 - 2.5	white	3.7 - 3
biotite	black	glassy brilliant	2.5 - 3	white	2.7 - 3.4
phlogopite	clear to brown	glassy	2.5 - 3	white	2.75
dolomite	white to grey	glassy to dull	3.4 - 4	white	2.8 - 2.9
apatite	greenish	glassy to resinous	5	white	3.2
microcline	pink to whitish	glassy	6 - 6.5	white	2.55
albite	grey to whitish	glassy to pearly	6 - 6.5	white	2.6
orthoclase	whitish to orange	glassy to pearly	6 - 6.5	white	2.5 - 2.65
quartz chalcedony	multicoloured	glassy to waxy	7	white	2.6 - 2.7
quartz agate	mulitcoloured	glassy	7	white	2.6 - 2.7
quartz onyx	multicoloured	glassy	7	white	2.6 - 2.7
quartz crystal	clear colourless	glassy	7	colourless/white	2.6 - 2.7
quartz amethyst	purple	glassy	7	white	2.6 - 2.7
quartz smokey	black to grey	glassy	7	white	2.6 - 2.7
quartz chert	black to grey	glassy	7	white	2.6 - 2.7
corundum	many purples	glassy	9	white	3.9 - 4.1
diamond	colourless to tinted	glassy	10	white	3.5

The above information was taken from Science Directions 8.

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