• Crystal with a wooden block featuring the letter 'A' on a white background
  • Crystal towers on a wooden stand against a neutral background
  • Crystal-like object on a white surface with a wooden block featuring the letter 'A'.
  • Crystal on a hexagonal stand with a dark background
  • Crystal with a wooden block labeled 'B3' on a white background
  • Crystal-like object with a block labeled 'B' on a white background
  • Crystal glowing under UV light on a reflective surface with a dark background
  • Clear crystal point on a white surface with a wooden block featuring a symbol.
  • Clear crystal on a white surface with a wooden block featuring a symbol.
  • Crystal under UV light with a label on a black background
  • Crystal-like object under a blue light with a label on a dark background
  • Crystal specimen with a small wooden block labeled 'D2' on a white background
  • Crystal-like object on a white background with a Scrabble tile spelling 'D2'.
  • Clear crystal with a blue light on a black background
  • Clear crystal with a yellow tint on a black background
  • Clear crystal block with a wooden block featuring a symbol on a white background
  • Crystal object with a wooden block featuring a symbol on a white background
  • Clear crystal point on a dark background
  • Crystal object and wooden block with letter 'F' on a white background
  • Crystal with a letter 'F' on a wooden block against a white geometric patterned background
  • Crystal-like object under a blue light with a label 'F' on a reflective surface.
  • Crystal-like object on a white geometric-patterned surface
  • Crystal tower with a wooden block featuring a logo on a geometric-patterned wall.
  • Crystal-like object under a blue light with a label 'G2' on a black background
  • Crystal and wooden block with letter 'H' on a white background
  • Crystal point and wooden block with letter 'H' on a white background
  • Clear crystal under a blue light with a scale for measurement
  • Crystal block and wooden soap dish on a white geometric-patterned wall
  • Crystal pendant on a white background
  • Crystal object on a stand with a dark background
  • Clear crystal rock on a white background with a wooden block featuring the letter 'U'.
  • Crystal on a white tiled wall with a wooden block featuring a letter 'U'.
  • Crystal under UV light with a blue protective case
  • Crystal-like object under a blue light with a label 'J8' in the foreground.
  • Crystal on a wooden block with 'K' symbol against a white tiled wall
  • Crystal-like object on a white tiled wall with a wooden block featuring a symbol.
  • Clear crystal-like object with a blue cube labeled 'K5' on a dark background
  • Clear crystal or gemstone under a blue light with measurement labels.
  • Crystal tower on a white wall with geometric patterns
  • Crystal-like object on a white background
  • Crystal-like object on a stand with a dark background
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Triple J Crystals

Powellite tower

Powellite tower

$32.00
$32.00
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Powellite is a mineral named after geologist John Wesley Powell. It is a calcium molybdate that forms small, yellow, tetragonal crystals. Most often, powellite occurs as a secondary mineral, formed when other (primary) minerals undergo oxidation.

Towers measure 1.6" to 2.75"

 

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