Tool for Microscopic Identification Home

 

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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Think it's in here, but don't know where? Search for it!

ImageSieve

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

Browse Images

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. bird's-eye-extinction
  8. blue
  9. blue-green
  10. brown
  11. brown-green
  12. bubbles
  13. bumpy
  14. carapace
  15. carbonate
  16. cellular-structure
  17. circular
  18. cleavage
  19. colorless
  20. conchoidal-fracture
  21. contact-twinning
  22. contaminant
  23. cross-hatch
  24. cubic
  25. curved
  26. dark
  27. dendritic
  28. diagenetic
  29. elongate
  30. elongated
  31. equant
  32. euhedral
  33. evaporite
  34. feldspar
  35. ferromagnesian
  36. ferrous
  37. fibrous
  38. filamentous
  39. flaky
  40. framboidal
  41. good-cleavage
  42. grain-boundaries
  43. granular
  44. gray
  45. green
  46. groove
  47. heavy-mineral
  48. high birefringence; striations; monoclinic habit; solubility in water
  49. high-birefringence
  50. high-relief
  51. inclusions
  52. insect
  53. isotropic
  54. isotropic conchoidal-fracture
  55. lamellar-twinning
  56. large
  57. layers
  58. lobed
  59. lorica
  60. low birefringence
  61. low birefringence, low-to-moderate relief, prismatic habit
  62. low-birefringence
  63. low-relief
  64. mica
  65. moderate-birefringence
  66. moderate-reflief
  67. moderate-relief
  68. moderately-high-relief
  69. near-90-degree-perfect-cleavage
  70. needle-like
  71. no-lamellar-twinning
  72. nonpleochroic
  73. octahedral
  74. opaque
  75. patterned
  76. phosphate
  77. pink
  78. pinwheel-extinction
  79. plagioclase
  80. plaid
  81. pleochroic
  82. polysynthetic-twinning
  83. prismatic
  84. pseudo-isotropic
  85. purplish
  86. radial
  87. ragged
  88. red
  89. rhombic
  90. rice-shape
  91. salt
  92. shards
  93. sharp
  94. shell
  95. shredded
  96. silicate
  97. spherical
  98. spicule
  99. stringy
  100. subhedral
  101. sulfide
  102. tabular
  103. tartan
  104. tartan-twinned
  105. translucent
  106. transparent
  107. triangular
  108. twinned
  109. vesicular
  110. volcanic-glass
  111. yellow
  112. zeolite