indistinct cleavage

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• Silicate minerals — ▪ Table Silicate minerals name colour lustre Mohs hardness specific gravity Tectosilicates (three dimensional networks) feldspar (for other examples, see feldspar) orthoclase flesh red, white to pale yellow, red, green vitreous 6–6½ 2.6… …   Universalium

• Sperrylite — Infobox mineral name = Sperrylite boxwidth = caption = formula = PtAs2 color = tin white habit = well formed finely crystalline, massive to reniform system = cubic cleavage = cubic indistinct fracture = conchoidal mohs = 6 7 luster = metallic… …   Wikipedia

• Celsian — is an uncommon feldspar mineral, barium aluminosilicate, BaAl2Si2O8. The mineral occurs in contact metamorphic rocks with significant barium content. Its crystal system is monoclinic, and it is white, yellow, or transparent in appearance. In pure …   Wikipedia

• Pharmacosiderite — General Category Arsenate minerals Chemical formula KFe4(AsO4 …   Wikipedia

• Digenite — from the East Colusa Mine, Butte, Montana, USA. Specimen size = 4.3 cm General Category Sulfide mineral …   Wikipedia

• Freieslebenite — is a rare sulfide mineral of antimony, lead and silver with formula AgPbSbS3 and molecular weight of 533.02 g/mol. It is an opaque non fluorescent mineral which has a hydrothermal origin. It is metallic, with a specific gravity of 6.3 and a Mohs… …   Wikipedia

• Eucryptite — is a lithium bearing aluminium silicate mineral with formula LiAlSiO4. It crystallizes in the trigonal rhombohedral crystal system. It typically occurs as granular to massive in form and may pseudomorphically replace spodumene. It has a brittle… …   Wikipedia

• Clinohumite — Side View of a cushion cut clinohumite gemstone, 21.34 carats (4.27 g), 17.8 x 16 mm General Category Mineral …   Wikipedia

• Death Busters — Sailor Moon villain group Left column, top to bottom: Mistress 9, Germatoid, Master Pharaoh 90. Center column: Professor Tomoe, Kaolinite. Right column, in both magical and civilian forms: Mimete, Eudial, Viluy, Tellu. Bottom: Cyprine and Ptilol …   Wikipedia

• annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

• Cervandonite — General Category Silicate mineral Chemical formula (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) Strunz classification 09.BE.09 …   Wikipedia