Interactive Key

Don't know what you're looking at? Use the interactive key to get your identification started! (Minerals and mineraloids only.)

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ImageSieve

Filter by multiple tags! Sort, zoom, slice and dice the database.

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Gallery - images of inorganic components
Gallery - images of organic components
Gallery - images of contaminants

Tags

Can you describe it? Select a tag and dive in!

  1. acicular
  2. amber
  3. amorphous
  4. anhedral
  5. anisotropic
  6. ash
  7. authigenic
  8. banded
  9. biogenic
  10. bird's-eye-extinction
  11. black
  12. blue
  13. blue-green
  14. bouma-sequence
  15. brown
  16. brown-green
  17. bryophyte
  18. bubbles
  19. bumpy
  20. calcareous
  21. carapace
  22. carbonate
  23. cascades
  24. cellular-structure
  25. circular
  26. cleavage
  27. clotted
  28. colorless
  29. conchoidal
  30. conchoidal-fracture
  31. contact-twinning
  32. contaminant
  33. cross-hatch
  34. cubic
  35. curved
  36. dark
  37. dendritic
  38. density
  39. diagenetic
  40. diatomaceous
  41. elongate
  42. elongated
  43. equant
  44. euhedral
  45. evaporite
  46. feldspar
  47. ferromagnesian
  48. ferrous
  49. fibrous
  50. filamentous
  51. fine-grained
  52. fine-scale-bedding
  53. flaky
  54. fragmentary
  55. framboidal
  56. glacial
  57. good-cleavage
  58. graded
  59. grain-boundaries
  60. granular
  61. gravity-deposit
  62. gray
  63. green
  64. groove
  65. heavy-mineral
  66. high-birefringence
  67. high-relief
  68. holocene
  69. inclusions
  70. insect
  71. isotropic
  72. isotropic conchoidal-fracture
  73. lamellar-twinning
  74. laminated
  75. large
  76. layers
  77. lobed
  78. lorica
  79. low-birefringence
  80. low-relief
  81. low-to-moderate relief
  82. mica
  83. moderate-birefringence
  84. moderate-relief
  85. moderately-high-relief
  86. monoclinic-habit
  87. near-90-degree-perfect-cleavage
  88. needle-like
  89. no-lamellar-twinning
  90. nonpleochroic
  91. octahedral
  92. opaque
  93. organic-matter
  94. patterned
  95. phosphate
  96. pink
  97. pinwheel-extinction
  98. plagioclase
  99. plaid
  100. pleochroic
  101. polysynthetic-twinning
  102. prismatic
  103. pseudo-isotropic
  104. pungent
  105. purplish
  106. radial
  107. ragged
  108. reactive
  109. red
  110. rhombic
  111. rice-shape
  112. rythmite
  113. salt
  114. shards
  115. sharp
  116. shell
  117. shredded
  118. silicate
  119. silty
  120. sorted
  121. spherical
  122. spicule
  123. stinky
  124. striated
  125. stringy
  126. subhedral
  127. sulfide
  128. tabular
  129. tartan
  130. tartan-twinned
  131. translucent
  132. transparent
  133. triangular
  134. twinned
  135. vesicular
  136. volcanic-glass
  137. water-soluble
  138. woody
  139. yellow
  140. zeolite

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P: 612-626-7889

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