Sulfates

Displaying 51 - 100 of 288
Catalog # Name Description
51 00.2.6.199.0001 Gypsum Ver. selenite; clear with cleavage.
52 00.2.6.199.0004 Gypsum Ver. selenite; clear cleavage fragments.
53 00.2.6.199.0005 Gypsum Clear, massive.
54 00.2.6.199.0006 Gypsum Var. selenite, clear crystal fragments.
55 00.2.6.199.0007 Gypsum Groups of clear crystals.
56 00.2.6.199.0008 Gypsum Var. selenite, clear flat cleavage pieces.
57 00.2.6.199.0010 Gypsum Selenite crystalline gypsum.
58 00.2.6.199.0011 Gypsum Crystal cleaved in almost perfect halves; a. and b.
59 00.2.6.200.0001 Gypsum Seam of clear crystals.
60 00.2.6.200.0002 Gypsum Large, cleavage pieces of clear selenite ( in two boxes).
61 00.2.6.200.0003 Gypsum Variety satin spar.
62 00.2.6.202.0002 Gypsum White, massive.
63 00.2.6.202.0005 Gypsum Contact between 2 varieties of gypsum - satin spar & alabaster.
64 00.2.6.202.0007 Gypsum Var. satin spar.
65 00.2.6.203.0009 Celestite Pale blue-gray crystalline chunk.
66 00.2.6.203.0010 Celestite Blue gray fibrous chunks.
67 00.2.6.212.0005 Barite Concretionary barite, silicon.Cluster of white nodules.
68 00.2.6.229.0001 Gypsum White intergrown crystal mass.
69 00.2.6.229.0002 Gypsum None
70 00.2.6.229.0004 Gypsum Clean, white, fine grained.
71 00.2.6.229.0005 Gypsum Translucent, brown-orange; massive.
72 00.2.6.229.0006 Gypsum Massive, white, with cleavage faces.
73 00.2.6.229.0007 Gypsum Pink, massive granular.
74 00.2.6.229.0008 Gypsum Gray & white, massive; chipped into a flat 4" x 3" x 1"
75 00.2.6.230.0001 Gypsum Orange, var. selenite.
76 00.2.6.230.0002 Gypsum Clear crystal pieces.
77 00.2.6.230.0003 Gypsum Variation selenite, 3 curved crystals.
78 00.2.6.230.0004 Gypsum Clear, flat cleavage.
79 00.2.6.230.0005 Gypsum Clear, flat cleavage.
80 00.2.6.230.0006 Gypsum Opaque cleavage piece.
81 00.2.6.230.0007 Gypsum Gray, translucent, fibrous.
82 00.2.6.232.0003 Gypsum Massive, pink & gray (crested?).
83 00.2.6.232.0006 Anhydrite Gray, massive.
84 00.2.6.239.0001 Barite White, solid intertwined crystals.
85 00.2.6.239.0003 Gypsum Var. satin spar, white.
86 00.2.6.239.0004 Gypsum Var. satin spar, translucent.
87 00.2.6.239.0005 Gypsum Shadow crystals.
88 00.2.6.239.0008 Barite Red brown crystals.
89 00.2.6.239.0009 Barite Massive, white.
90 00.2.8.488.0010 Gypsum Massive, translucent.
91 00.2.9.72.0003 Gypsum Crystal ball, var. selenite.
92 00.2.9.75.0001 Gypsum Var. selenite, crystal cluster, sand incorporated.
93 00.2.9.75.0002 Gypsum Crystal group, sand incorporated, var. selenite.
94 00.2.9.75.0011 Celestite Pale blue-gray crystal section.
95 00.2.9.75.0012 Barite Massive, gray.
96 00.2.9.90.0008 Barite Not really barite specimens. 2 + 1.
97 1968.9.14893 Alum Aluminum sulfate any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A whole series of hydrated double salts results from the hydration of the sulfate of a univalent cation (e.g., potassium) and the sulfate of any one of a number of trivalent cations (e.g., aluminum).
98 1968.9.14902 Gypsum Reddish brown, translucent cleavage.
99 1968.9.17056 Gypsum Clear, cleavage fragments.
100 1968.9.36.14893.0001 Alum Aluminum sulfate any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A whole series of hydrated double salts results from the hydration of the sulfate of a univalent cation (e.g., potassium) and the sulfate of any one of a number of trivalent cations (e.g., aluminum).