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
Tetrahedrite #	gray inclining to olive-brown			none	Opaque	32
Tetrataenite	creamy white		distinct on well-polished surfaces, bluish green to brownish orange		Opaque
Thalcusite	rose-gray to pale lilac.		moderate, light yellowish to very dark gray	weak, in pale gray with brownish lilac tint to dark gray	Opaque	28
Thalfenisite	brown in air, dark brown in oil				Opaque	16
Thorianite #	gray with red-brown internal reflections				Opaque	32
Tiemannite #	grayish white				Opaque	32
Tin #			moderate		Opaque	32
Tischendorfite !	cream to slightly beige with no internal reflections	weak	weak to moderate with rotation tints of steel blue to greenish brown	none	Opaque	16
Tivanite	gray		weak to moderate, in shades of gray		Opaque	6
Tochilinite	yellowish brown		strong, pinkish-cream to gray	strong, from yellowish orange to yellowish gray	Opaque	8
Todorokite #	gray white		very strong, bluish or brownish	strong to faint	Opaque	32
Tolovkite	gray with a pale brown tint				Opaque	18
Tomichite	gray		moderate, yellowish gray to dark gray		Opaque	32
Tongbaite	pale violet	distinct	strong, purplish yellow to yellow-orange	distinct	Opaque	24
Tongxinite *	gold colored, tarnishing blue				Opaque	20
Treasurite	white		distinct to strong, in light gray to steel bluish black		Opaque
Trechmannite #	white with a bluish cast, with orange-red internal reflections		moderate (in synthetic material)		Translucent	32
Troilite #			strong		Opaque
Tsumoite	white with a creamy tint		moderate	very weak	Opaque
Tucekite	brownish yellow		very strong to distinct, deep brown to grayish blue	very weak to absent	Opaque	32
Tugarinovite		observed	light gray to dark pink; pale yellow to bluish olive-brown		Semitransparent	28
Tulameenite	white		very weak		Opaque	8
Tungstenite #	pure white		strong, in striking colors including pink and deep blue	very high	Opaque	32
Tvalchrelidzeite	whitish lead gray, with dark red internal reflections, cherry red in transmitted light		distinct, dark olive to dark violet	white to grayish white, weak lilac to a distinctly greenish tint	Translucent to Opaque
Twinnite #	white			strong, displaying twin lamellae	Opaque	32
Tyrrellite #	light brassy bronze				Opaque	32
Ullmannite #	white		occasionally induviduals are weakly anisotropic revealing a fine lamellar structure		Opaque	32
Ulvospinel #	brown to reddish brown				Opaque	32
Umangite #			very strong, fiery orange to straw-yellow with a rose tint	pronounced, reddish purple to grayish white	Opaque	32
Ungavaite !	bright creamy white with no internal reflections	weak	weak with pale blue-gray to deep blue rotation tints	none	Opaque	8
Uraninite #	light gray with brownish tint, may show dark brwon internal reflections				Nearly opaque	32
Uranopolycrase	pale gray with bluish tint and dark red-brown internal reflections				Opaque	8
Urvantsevite	grayish white		slight	weak to none	Opaque	28
Ustarasite #	pure white		strong		Opaque
Utahite !	pale brown with green internal reflections	slight		none	Translucent
Uytenbogaardtite	gray-white		strong, without distinct colors	distinct in air, gray-white to gray-white with a brownish tint	Opaque
Uzonite	grayish white with bright yellow internal reflections				Transparent	26
Vaesite #	gray, pale violet			none	Opaque	32
Valleriite #			strong, golden yellow	strong, pale yellow to deep brown	Opaque	32
Vasilite	creamy white with a yellowish tint	none	none		Opaque	60
Vasilyevite !	gray with abundant orange-red to blood red internal reflections	none	moderate to strong	none	Translucent to opaque	80
Vavrinite !	creamy whte	weakly	appearant without internal reflections	weak from pale light brown to pale brown	Opaque	40
Veenite	white		weak, white to pale pinkish brown	moderate	Opaque
Velikite	greenish gray to light gray with greenish-brownish tint	insignificant	moderate	weak	Opaque	8
Verbeekite !	gray	negligible	moderate with brown rotation tints	none	Opaque	16
Vergasovaite !	gray with light green to colorless internal reflections				Transparent
Viaeneite !	yellow with a brassy hue	distinct	ver strong in orange, yellow orange, gray with green hue	distinct, grayish brown, orange, yellow-orange	Opaque	16
Vikingite	galena-white		distinct to strong, in light gray to steel bluish black	absent in air, absent to weak in oil	Opaque
Villamaninite #	light blue-gray to violet gray				Opaque	32
Vincentite	light brownish gray	weak	weak from greenish gray to dark brown		Opaque	40
Vinciennite			weak, purplish blue to greenish brown yellow		Opaque	16
Violarite #	violet, distinct			none	Opaque	32
Volynskite	pale purplish		very weak, pale pink to gray	very slight in oil	Opaque	32
Vozhminite	rose-orange				Opaque	30
Vrbaite #	bluish white with red internal reflections, dark red in translucent thin splinters				Opaque to subtranslucent	32
Vulcanite			very strong, brilliant yellow-white, grayish yellow-white, yellow-orange to gray	very strong, bright yellow to blue-gray	Opaque	32
Vuorelainenite	brownish gray				Opaque	8
Vurroite !	white with no internal reflections	none	weak	none	Opaque	8
Vysotskite	creamy white		weak to moderate, dark brown to dark blue-gray		Opaque	32
Wairauite	white				Opaque
Wakabayashilite	golden yellow to lemon-yellow, with golden internal reflections		weak	strong	Translucent	32
Watkinsonite	white with a bluish tint		moderate, in blue-gray to dark grayish brown		Opaque	30
Wattersite	greenish white to darker lilac gray, with bright deep red internal reflections	moderate	strong, purple, dark blue, bottle green, bottle blue, turquoise-blue, dull greenish blue		Opaque to translucent	32
Weibullite #	white		strong, dark gray red-brown	weak	Opaque	32
Weishanite			weak	weak	Opaque	8
Weissbergite	creamy white		strong, blue-green	weak	Opaque	8
Weissite #			distinct	distinct	Opaque	32
Westerveldite			distinct in air, orange brown and bluish in oil	distinct	Opaque	32
Wilhelmramsayite !	bluish gray	weakly bluish gray to gray with bluish tints	weak with no internal reflections		Opaque	12
Wilkmanite	pale pinkish yellow		strong, pink to yellowish green	distinct, pale yellow to grayish white	Opaque
Wittichenite #	white, creamy to grayish		weak, shades of dark brown		Opaque	32
Wittite #	cream-white				Opaque	32
Wolframoixiolite *	gray with a reddish brown tint				Opaque
Wurtzite #	deep reddish brown to dark brown to brown-black; yellow to dark brown internal reflections				Translucent	32
Xanthoconite #	lemon yellow				Subtranslucent to opaque	32
Xifengite	gray with a yellow tint		moderate, bluish gray to pale brown		Opaque	18
Xilingolite	white with a faint blue tint		distinct, dark gray to brown	distinct, white to white with blue tint	Opaque	22
Xingzhongite	bluish gray				Opaque	8
Yarrowite	blue, blue with a slight violet tint in oil		strong, orange-red	blue to bluish white	Opaque	32
Yimengite	gray to grayish white			weak	Opaque	14
Yixunite !	bright white with a yellowish tint				Opaque	10
Yuanfuliite	pale gray with dark red internal reflections		weak		Nearly opaque	30
Yuanjiangite	white with a light yellow tint	faint	clear, light yellow with brown tint		Opaque	8
Yushkinite			strong, orange-red with weak lilac tint in isotropic sections, red-lilac to pinkish dark gray		Opaque	28
Zenzenite	bright white	weak, visible only in oil	distinct, in shades of gray and pale brown		Opaque	32
Zincite #	light rose-brown with strong red to yellow internal reflections				Translucent to subtranslucent	32
Zincochromite	brownish gray with rare brown internal reflections				Translucent to Opaque	28
Zincospiroffite !	gray with no internal reflections	weak	weak	weak	Translucent	40
Zinkenite #	gray-white		distinct		Opaque	32
Zlatogorite !	light yellow to pinkish yellow	weak	distinct		Opaque	8
Zoltaiite !	gray with a weak brownish tint	weak			Opaque	80
Zoubekite	white with a faint yellowish tint to light gray		strong, from light to dark gray with a faint greenish tint		Opaque	30
Zvyagintsevite	bright white with a cream tint				Opaque	28