Opaque Minerals sorted by Mineral Name

794 Opaque Minerals Sorted by Mineral Name

Color
Refractive Index
Hardness
Density
Cleavage
Other Properties

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Mouseover Mineral Name: IMA Status
Mineral Name	Reflected Light Color	Bireflectance	Anisotropism	Pleochroism	Diaphaneity	Reflectivity Record Count
Roshchinite			distinct		Opaque
Routhierite	bluish white with strong internal reflections		weak	weak	Opaque	32
Rouxelite !	light gray	weak	distinct		Opaque	8
Roxbyite	white to off-shite with a blue tinge		very weak		Opaque
Ruarsite	grayish white		distinct, bluish gray to light reddish	pale yellowish white to light grayish yellow-white	Opaque	8
Rucklidgeite	white with a very weak rose tint		distinct, reddish brown to bluish gray	very weak in air, noticable in oil	Opaque	32
Rudashevskyite !	gray with distinct brownish tints	isotropic	none	none	Opaque	40
Rustenburgite	light cream		slight due to strain	none under the microscope but slight through a photometer	Opaque	8
Ruthenarsenite	pale orange-brown to brownish gray		strong, orange-brown to light steel gray	distinct	Opaque	8
Rutheniridosmine	white with a bluish gray tinge		weak to moderate, sometimes with wavy extinction, colors tinged with orange	weak to absent	Opaque	8
Ruthenium	white with a creamy tint		weak		Opaque
Rutile #	gray with bluish tint		strong		Transparent to translucent to opaque	32
Sabatierite	bluish gray with slight cream tint		strong, with undulatory extinction, colors in light gray-blue to dark yellow-brown	distinct, in light brown to light blue	Opaque	32
Saddlebackite !	grayish white	weak	faint, from gray to yellowish-brownish gray	none	Opaque	8
Safflorite #	white		strong	weak	Opaque	32
Sakharovaite ?	pure white		strong, with reddish internal reflections seen only in oil	birefringent	Opaque
Sakuraiite	purplish olive-gray with a red tint		nearly isotropic		Opaque	32
Salzburgite !	grayish white		distinct	not observed	Opaque	40
Sartorite #	pure white, rarely with deep red internal reflections		weak	rarely visible, only in oil	Opaque	32
Schachnerite	gray		very weak		Opaque
Schirmerite #	white		weak in air, distinct to strong in oil, in gray to black	weak in air, weak to distinct in oil	Opaque	32
Schlemaite !	gray with no internal reflections	very weak	very weak	none	Opaque	80
Schollhornite	gray in air, bluish gray in oil		strong	distinct, white with yellowish tint to light gray with bluish or greenish tint	Opaque	30
Schubnelite				observed	Transparent to Subopaque	24
Scrutinyite	gray-white with reddish brown internal reflections	very weak, gray-white to bluish gray	weak, pale blue		Transparent to translucent	4
Sederholmite	yellow to orange yellow		strong to distinct, in pinkish to greenish colors	distinct in shades of yellow	Opaque
Seinajokite	light gray with a rose tint		distinct, brown to blue		Opaque
Selenium #	white in air, darker white to grayish brown in oil, red in transmitted light		very strong		Opaque	32
Selenojalpaite !	light gray	weakly to moderately	yes with no internal reflections	weak, brownish gray to greenish gray	Opaque	8
Selenopolybasite !	light gray	weak to moderate		weakly gray to violet blue gray	Opaque	8
Selenostephanite	grayish white with olive tint		brownish gray to gray		Opaque	10
Seligmannite #	rose white		strong		Opaque	32
Semseyite #	white with light green tint		strong	very weak, in yellow green to darker, grayish green	Opaque	32
Sewardite !	light bluish gray with bright pink to red internal reflections	weak	none	none	Translucent	8
Shadlunite	grayish yellow		weak	weak	Opaque	28
Shandite #	cream-white		strong, in gray-blue and yellow brown	distinct	Opaque
Shuangfengite	bright yellowish white with bluish tint	not obvious	moderate with bluish or yellowish tint	not obvious	Opaque	8
Silver #	brilliant silver white				Opaque	32
Skaergaardite !	creamy to bright white with no internal reflections	none	none	none	Opaque	80
Skinnerite	light bluish gray with deep red interanl reflections		distinct in air, strong in oil, from pale purple to grayish yellow	weak in air, weak to distinct in oil	Opaque
Skippenite	white with a yellow tint		moderate, blue to bluish gray		Opaque	30
Skutterudite #	gray, creamy or golden white			none	Opaque	32
Smirnite	pale gray, darkens on exposure to sunlight		strong		Transparent to Translucent	32
Smythite #	pinkish cream		strong, in yellow and blue-gray	strong, from grayish yellow to reddish brown	Opaque
Sobolevskite	grayish white with creamy tint		strong, in reddish lilac, brown, and pale cream shades		Opaque	24
Sopcheite	light gray with a brownish tint		weak, yellowish red to bluish		Opaque	32
Sorbyite	white		strong	strong	Opaque
Sorosite !	white with occasional pinkish tint at high magnifications	not observed in air, weakly to distinctly in oil	distinct to moderate, from brownish gray to bluish gray		Opaque	64
Sosedkoite			strong		Transparent	8
Soucekite	creamy white with a brownish tint		medium strong, in light brown to dark blue-gray	distinct in oil, in creamy brown to light gray with a bluish tint	Opaque
Sperrylite #				none	Opaque	32
Spionkopite			orange	blue to bluish white	Opaque	32
Srilankite	gray-white		observed			8
Stanekite !	pale gray with reddish yellow to brownish red internal reflections	weak	distinct, pale brownish gray		Opaque to subtranslucent	32
Stannite #	gray with olive-green tint		distinct , in violet and slate-green	indistinct in air, distinct in oil	Opaque	32
Stannoidite	pinkish brown		strong, dark orange-red to yellow-gray	distinct, light salmon-brown to brown	Opaque	32
Stannopalladinite #			strong, from lilac-red to gray-blue		Opaque	14
Stavelotite-(La) !	gray	weak to very weak	very weak	very weak with weak brown internal reflections in oil	Opaque	16
Stephanite #	white-gray		strong, in vivid colors	very weak, white to pink-white	Opaque	32
Sternbergite #	light brown		strong, bluish and reddish to lilac, reddish brown to light green with purplish pink shades	distinct in browns	Opaque	30
Sterryite	white			strong, from gray to white	Opaque
Stibiopalladinite #	yellowish white		distinct, colors usually lacking but some grains are purplish gray to greenish gray	weak, in pale yellow to yellowish white, also sometimes faint greenish, pinkish, or lavender	Opaque	32
Stibnite #	white		strong		Opaque	32
Stilleite #	resembles tetrahedrite without the olive-brown or greenish blue hues				Translucent to Opaque
Stillwaterite	light creamy gray		weak in air, dark gray to brownish gray, in oil, distinct in brownish black with a blue to yellowish		Opaque	8
Stistaite	creamy white				Opaque	22
Stromeyerite #	white, dull grayish		strong, vivid blue and deep violet	weak in air, stronger in oil, grayish brown to whitish gray, with a faint bluish gray tint or creamy	Opaque	32
Strontiomelane !	gray color in oil		moderate, from gray-blue to white	strong gray-white in oil	Opaque	8
Stumpflite	cream		strong, in brownish yellow	perceptible	Opaque	32
Stutzite	light gray		moderate, in gray reddish brown-blue		Opaque	32
Sudburyite	white with a yellow tint in air, pale yellow in oil		weak to moderate, in light grayish yellow and dark grayish brown		Opaque	32
Sudovikovite !	white	strong	moderate to strong, rose-yellow to dark gray-lilac	light yellow to light lilac	Opaque	8
Suessite	cream white				Opaque	8
Sugakiite !	creamy white with a reddish tint		weak dark gray to faint light gray	none	Opaque	10
Sulvanite #	yellow white		sometimes weak		Opaque	32
Suredaite !	white	not apparent	rotation tints of metallic blue to mauve to brown	not apparent	Opaque	64
Sylvanite #	creamy white		very strong, in grayish brown, grayish white, and yellowish and bluish tints	strong, cream-white to leather brown	Opaque	32
Taimyrite	light gray with a rose tint		dark gray with a blue tint to yellowish gray	distinct, from light gray with a rose tint to a creamy tint	Opaque	22
Tantalaeschynite-(Y)	dark gray with abundant white to dark red internal reflections				Subtranslucent	8
Tantalite-(Mg) !	light gray with brownish red internal reflections in air	very weak	weak		Opaque	66
Tantite	grayish white		observed		Transparent	8
Tapiolite-(Mn)	gray with strong red-brown internal reflections	weak, light brownish gray to gray			Translucent to Opaque	8
Tarkianite !	light gray in air, slightly brown in oil	none	absent	absent	Opaque	80
Tatyanaite !	pink with lilac tinge in air	weak to distinct, brownish pink to pinkish lilac	distinct to moderate, from light brown to dark blue	weak to distinct, from brownish pink to pinkish lilac	Opaque	16
Teallite #	white with a slight yellow tint		distinct to rather high	weak, in white with light golden tint to pure white	Opaque	32
Tedhadleyite !	bluish white	none	moderate with gray rotation tints	none	Opaque to translucent	80
Telargpalite	light gray with lilac tint				Opaque	28
Tellurantimony	pinkish cream		moderate, in pink and light gray	weak, from pink to cream	Opaque	32
Tellurium #	white		fairly strong	feeble	Opaque	32
Tellurobismuthite #	white		weak		Opaque	32
Telluronevskite !	white with a yellow tint with no internal reflections were observed	weak, noticeable in oil (yellowish white to gray)	moderate without any strong chromatic effects	gray to bluish gray	Opaque	36
Telluropalladinite	cream with a yellowish tint		moderate to strong in air, strong in oil, in gray to light brownish gray	none in air, very faintly discernible in oil	Opaque	30
Temagamite	white with a gray tinge		weak in air, stronger in oil, in pale gray and dark gray		Opaque	8
Tennantite #	gray, inclining to black to brown to cherry-red			none	Opaque	32
Tenorite #	light gray with a golden tint	strong	strong, blue to gray		Opaque	32
Terlinguacreekite !	bluish gray	weakly	shown, with yellowish orange internal reflections	none	Transparent	8
Testibiopalladite	bright white with faint blue tint				Opaque	20
Tetra-auricupride	copper red with a yellow tint		weak, with colors from gray to light gray		Opaque	24
Tetradymite #	white		weak		Opaque	32
Tetraferroplatinum	white		weak, in oil		Opaque	8