CATS EYE GEMS
Cat Eye's are seen when light reflects through a curved surface off of parallel fibers [as in the case of Rutile crystals in Quartz, or Asbestos in Agate (Tigereye)], or hollow tubes [as in Aquamarine and Tourmaline]. The gem known simply as "Cats Eye" is Crysoberyl, the eyes in which tend to be both subtle [fine tubes], and bright.
The lore I like says they're good for "keeping an eye out".

 
 

Bright Pink Rubellite Tourmaline,
6.2x5mm, .9ct

CE1 $49

 
 

Lot of 6 Tourmaline
Cat Eye's
14.0ct

CE3 $139

 
 

 

 
 

Sillimanite, India

13x10mm, 8.2ct

CE7 $79

 
 

Sillimanite, India
13mm, 11.2ct
CE9 $99

 
 

Sillimanite, India
Tremendously Huge!
With weaker secondary eyes, and labradorecence. 22x19.5mm, 40.9ct CE11 $595


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Opal Cats Eye
, Tanzania, Africa, The Opal filled in seams around an unidentified fibrous crystal, [maybe Selenite (gypsum), as they are found together in other opal mines]
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Opal Cats Eye, Tanzania
11x8mm, 3.2ct
CE13 $96

 
 

Opal Cats Eye, Tanzania
11.5x9mm, 4.2ct
CE15 $159

 
 

Opal Cats Eye, Tanzania

18x13.5mm, 15.4ct

CE17 $295

 
 

Opal Cats Eye, Tanzania Big, and mostly clear, with weak eyes.

19.5x15mm, 22.0ct

CE19 $549


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Apatite
, hardness 5,
these are from India.
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Apatite
Very clear, looks like chrysoberyl.
13x10mm, 7.1ct
CE21 $69

 
 

Apatite

14x12mm, 11.4ct

CE23 $49

 
 

Apatite

16x12mm, 14.0ct

CE25 $39


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Enststite
, Hardness 5.5-6, South Africa, chrome green, often transparent , but seen as dark, with a fine green cats eye.
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Enstatite, Africa
This one has 2 eyes [rare] close together, making a tight star, with a third one (faint), at center, making an unusual 6 ray star.
11.5mm, 10.5ct
CE27 $89

 
 

Blue-Green Tourmaline 8mm, 2.9ct, SI

CE2 $79

 
 

Tourmaline Green Cat on top; lower part of the stone is purple. Bright, straight Eye. 10.5x9mm, 5.7ct [the top center diagonal is dust]
CE4 $249


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Sillimanite
, also Fibrolite, hardness 6.5-7.5, is a rare mineral found in metamorphic schists and pegmatites, mainly mined in India
, I love it for its bright, sharp cats eyes, and affordability.
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Sillimanite, India
10x8mm, 2.3ct
CE6 $15

 
 

Sillimanite, India
10mm, 5.2ct
CE8 $25

 
 

Sillimanite, India
Rare, large size.
16mm, 20.6ct
CE10 $295

 
 

Rutilated Quartz
(fuzzy cats eye)
13.5x10mm, 6.8ct
CE12 $19

 
 

Opal Cats Eye, Tanzania [photo shows writing on back magnified]
11x9mm, 4.5ct
CE14 $179

 
 

Opal Cats Eye, Tanzania

16x11.5mm, 9.9ct

CE16 $249

 
 

Opal Cats Eye, Tanzania BRIGHT eye, large stone

21.3x13.2mm, 20.5ct

CE18 $875

 
 

Opal Cats Eye, Tanzania Slight inclusions on the sides, but super clean in the body, with a great eye.
12x8.5mm, 4.8ct
CE20 $239

 
 

Apatite
10.5x7.5mm, 4.7ct
CE22 $47

 
 

Apatite

14x11mm, 13.0ct

CE24 $49

 
 

Apatite
Huge, only lightly included.

26x18mm, 58ct

CE26 $289

 
 

Enstatite, Africa
9mm, 3.7ct
CE28 $47


Find more Cats Eyes in my jewelry, especially in rings.

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