Blue Fluorite
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 Brand New FPJ 20.38 CTW Fluorite 18K Gold Earrings Length 24 mm. Weight 13.5g. $1,379.00 Time Remaining: 2h 4m Buy It Now for only: $1,379.00 |
 Fluorite blue/green faceted gemstone all natural 14.5mm round 12 carats jb23 $18.99 Time Remaining: 3h 12m Buy It Now for only: $21.99 |
 Fluorite blue/green faceted gemstone all natural 19mm round 25.5 carats jb25 $24.99 Time Remaining: 3h 13m Buy It Now for only: $28.99 |
 9.87 CT.RARE GRADE NATURAL OVAL RICH BLUE GREEN PURPLE LAYER CLEARLY FLUORITE $157.02 Time Remaining: 9h 4m Buy It Now for only: $157.02 |
 RING STERLING SILVER 925 VERMEIL 3.0 ct BLUE SPINEL FLUORITE TRILLION GOLD-TONE $26.91 Time Remaining: 14h 26m Buy It Now for only: $26.91 |
 Blue Fluorite 12-18mm Nugget Rondelle Beads 10 pcs $15.50 (2 Bids) Time Remaining: 22h 57m |
 Blue Fluorite 12-18mm Nugget Rondelle Beads 10 pcs $13.99 Time Remaining: 1d 1h 11m |
 38.6CT Blue Green Fluorite Carved Flower Briolette Bead PAIR $49.50 Time Remaining: 1d 7h 43m Buy It Now for only: $49.50 |
 39,7CT Blue Green Fluorite Carved Flower Briolette Bead PAIR $35.99 Time Remaining: 1d 8h 33m Buy It Now for only: $35.99 |
 25.5CT Blue Green Fluorite Carved Flower Briolette Bead PAIR $35.99 Time Remaining: 1d 8h 34m Buy It Now for only: $35.99 |
 New FPJ 5.31 CTW Fluorite 18K Gold Ring Size 7 Weight 7.4g. Free US Shipping $959.00 Time Remaining: 1d 10h 4m Buy It Now for only: $959.00 |
 8.45cts BLUE FLUORITE TRILLION Natural Faceted GEMSTONE ~Gorgeous!!!! VVS $27.50 Time Remaining: 1d 18h 31m Buy It Now for only: $27.50 |
 5.15cts BLUE FLUORITE OVAL Natural Faceted GEMSTONE ~Gorgeous!!!! VVS $22.50 Time Remaining: 1d 18h 31m Buy It Now for only: $22.50 |
 Fluorite blue/green faceted gemstone all natural 21.5x17.5mm 26 carats jb24 $18.99 Time Remaining: 1d 21h 17m Buy It Now for only: $21.99 |
 Fluorite blue/green faceted gemstone all natural 22x18mm 29 carats jb20 $18.99 Time Remaining: 1d 21h 18m Buy It Now for only: $21.99 |
 AWESOME ! MULTI FLUORITE , SWISS BLUE TOPAZ CROSS .925 SILVER PENDANT 2.75" $31.00 (10 Bids) Time Remaining: 1d 21h 39m |
 Fluorite blue/green faceted gemstone all natural 18.5x15mm 16 carats jb21 $14.99 Time Remaining: 1d 21h 53m Buy It Now for only: $16.99 |
 Fluorite blue/green faceted gemstone all natural 16.5x14.5mm 12 carats jb19 $12.99 Time Remaining: 2d 2h 21m Buy It Now for only: $14.99 |
 HANDCRAFTED BRAZILLIAN AGATE*BLUE FLUORITE*BLUE GRAPHIC FELDSPATH NECKLACE/EARRI $40.00 Time Remaining: 2d 18h 8m Buy It Now for only: $40.00 |
 UNIQUE ! MULTI FLUORITE , BLUE TOPAZ , AMETHYST .925 SILVER RING SIZE 9.25 $53.00 (9 Bids) Time Remaining: 2d 22h 29m |
 Blue Fluorite Plain Round Beads 6mm A Grade $11.99 Time Remaining: 2d 23h 49m Buy It Now for only: $11.99 |
 GIANT BLUE TOPAZ+NAVY SODALITE+QUARTZ+DRUSY DRUZY+FLUORITE NECKLACE 22"; B5523 $32.00 (11 Bids) Time Remaining: 3d 2h 3m |
 FACETED GREEN BLUE FLUORITE STERLING ETCHED PENDANT!~ $58.00 Time Remaining: 3d 15h 57m Buy It Now for only: $58.00 |
 Fluorite - Oval - Natural Not Lab Created Fancy Cut $29.99 Time Remaining: 3d 23h 9m Buy It Now for only: $29.99 |
 GODDESS! Fluorite Garnet Blue Topaz Silver Pendant 4746 $64.08 Time Remaining: 4d 11m Buy It Now for only: $64.08 |
 Striped Purple Blue Fluorite Earrings Smooth Teardrop French Earwire 14k gf gold $36.00 Time Remaining: 4d 2h 39m Buy It Now for only: $36.00 |
 Striped Purple Blue Fluorite Earrings Smooth Teardrop Flat Oblong 14k gf gold $36.00 Time Remaining: 4d 3h 18m Buy It Now for only: $36.00 |
 18.00 CT NATURAL! FLUORITE & CZ 925 SILVER RING WHITE GOLD PLATED SIZE 7.25 $34.99 Time Remaining: 4d 6h 14m |
 RARE 2 Natural Untreated BLUE FLUORITE 14mm Oval BEADS 010487 $13.88 Time Remaining: 4d 9h 58m Buy It Now for only: $13.88 |
 Huge 54.56 Ct Amazing Rare Blue Green Natural Fluorite $499.99 Time Remaining: 4d 12h 46m Buy It Now for only: $499.99 |
 54.56 CT Huge Rare Amazing Blue Green Natural Fluorite $499.99 Time Remaining: 4d 13h 1m Buy It Now for only: $499.99 |
 43.43 CT Fantastic Natural Paraiba Blue Green Fluorite $799.99 Time Remaining: 4d 13h 8m Buy It Now for only: $799.99 |
 AAA LT. BLUE FLUORITE FACETED 8mm ROUND Beads!~ $43.99 Time Remaining: 4d 14h 28m Buy It Now for only: $43.99 |
 Dazzling! Heart Shape Blue & Purple Fluorite Crystal Pendant Point $275.00 Time Remaining: 4d 17h 54m Buy It Now for only: $275.00 |
 Striped Purple Blue Fluorite Earrings Smooth Teardrop Sterling Silver .925 $36.00 Time Remaining: 4d 18h 12m Buy It Now for only: $36.00 |
 London blue mystic quartz kyanite fluorite lemon quartz 925 silver necklace $132.73 Time Remaining: 5d 7m Buy It Now for only: $132.73 |
 Liquidation Jewelry Sale Mysterious Fluorite & Blue Topaz .925 Sterling Silver P $14.95 Time Remaining: 5d 26m Buy It Now for only: $14.95 |
 18 3\4''STERLING SILVER,Blue Goldstone,Fluorite,Quartz $22.50 Time Remaining: 5d 2h 5m Buy It Now for only: $22.50 |
 Blue fluorite coin beads 12mm $15.99 Time Remaining: 5d 19h 38m Buy It Now for only: $15.99 |
 FLUORITE BEAD BRACELET- ONE SIZE, PURPLE, AQUA & BLUE $10.99 Time Remaining: 5d 21h 44m Buy It Now for only: $10.99 |
 14.30 CT. 100% NATURAL OVAL BLUE PURPLE GREEN FLUORITE $120.00 Time Remaining: 6d 12h 28m Buy It Now for only: $120.00 |
 15.70 CT. 100% NATURAL PEAR BLUE PURPLE GREEN FLUORITE $150.00 Time Remaining: 6d 12h 28m Buy It Now for only: $150.00 |
 8.50 CT. 100% NATURAL OVAL BLUE PURPLE GREEN FLUORITE $99.99 Time Remaining: 6d 12h 29m Buy It Now for only: $99.99 |
 8.65 CT. 100% NATURAL ROUND PURPLE BLUE GREEN FLUORITE $120.00 Time Remaining: 6d 12h 29m Buy It Now for only: $120.00 |
 8SE08972a 10x13mm natural Blue fluorite faceted nugget $17.00 Time Remaining: 6d 12h 34m Buy It Now for only: $17.00 |
 FACETED GREEN BLUE FLUORITE STERLING ETCHED PENDANT #2!~ $58.00 Time Remaining: 6d 17h 12m Buy It Now for only: $58.00 |
 COUTURE SINGLE GEM 17mm GEM TEAL BLUE FLUORITE 14k GOLD FILLED EARRINGS $25.60 Time Remaining: 6d 21h 10m Buy It Now for only: $25.60 |
 28.88 CARAT HUGE!!! BLUE FLUORITE $249.99 Time Remaining: 7d 4h 2m Buy It Now for only: $249.99 |
 Natural Blue Fluorite Round Beads Stretch Bracelet 14mm $20.99 Time Remaining: 7d 16h 24m Buy It Now for only: $20.99 |
 New Handmade Agate or Fluorite Stone Cuff Bracelet Adjusts 6" - 8" Blue & Purple $14.99 Time Remaining: 7d 19h 27m Buy It Now for only: $14.99 |
New Handmade Agate or Fluorite Stone Cuff Bracelet Adjusts 6" - 8" Blue & Purple $14.99 Time Remaining: 7d 19h 27m Buy It Now for only: $14.99 |
 Natural Flashing Blue Purple Pakistan Fluorite Pendant Sterling Silver 14.67cts $76.98 Time Remaining: 7d 20h 24m Buy It Now for only: $76.98 |
 Sterling Gemstone Necklace Garnet Blue Agate Fluorite $127.49 Time Remaining: 8d 3h 10m Buy It Now for only: $127.49 |
 Shades of Blues, Green Fluorite STERLING SILVER Necklace ON SALE & FREE SHIPPING $29.99 Time Remaining: 8d 4h 5m Buy It Now for only: $29.99 |
 Natural Blue Fluorite 24k Gold Vermeil Earrings Handmade Jewelry Large Variety $39.99 Time Remaining: 9d 16m Buy It Now for only: $39.99 |
 15.5" 15-16×9-10mm faceted blue fluorite chunk beads $11.99 Time Remaining: 9d 2h 30m Buy It Now for only: $11.99 |
 29.40CT. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $44.99 Time Remaining: 9d 8h 43m Buy It Now for only: $44.99 |
 33 CT. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $44.99 Time Remaining: 9d 8h 43m Buy It Now for only: $44.99 |
 34.65CT. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $44.99 Time Remaining: 9d 8h 43m Buy It Now for only: $44.99 |
 23+ Ct. Fluorite Tear Cabochon - Perfect Blue John $19.58 Time Remaining: 9d 11h 26m Buy It Now for only: $19.58 |
 22+ Ct. Fluorite Tear Cabochon - Beatiful Blue John $22.95 Time Remaining: 9d 11h 28m Buy It Now for only: $22.95 |
 ELITE CHECKERCUT MULTIFACETED AQUA BLUE FLUORITE,SMOKY .925 SILVER BRACELET 7-8" $79.99 Time Remaining: 9d 21h 10m Buy It Now for only: $79.99 |
 19.40ct. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $59.00 Time Remaining: 9d 21h 24m Buy It Now for only: $59.00 |
 47.50 ct.NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 9d 21h 53m Buy It Now for only: $99.99 |
 91.68CT~GLEAMING NATURAL GREENISH BLUE PEAR FLUORITE~ $110.61 Time Remaining: 9d 22h 6m Buy It Now for only: $110.61 |
 FROSTED FLUORITE AQUA GREEN BLUE PENDANT TURQUOISE SPA QUARTZ GEMSTONE NECKLACE $150.50 Time Remaining: 10d 1h 50m Buy It Now for only: $150.50 |
 Eye Clean Blue Green Fluorite Leaf Briolette Gemstone Beads $19.99 Time Remaining: 10d 3h 35m Buy It Now for only: $19.99 |
 BLUE FLUORITE TRILLION SOLITAIRE PENDANT WITH CHAIN, 925 STERLING, 1.30CTS $39.99 Time Remaining: 10d 6h 3m Buy It Now for only: $39.99 |
 47.15 ct. 100% NATURAL UNHEATED CRYSTAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 10d 7h 38m Buy It Now for only: $99.99 |
 41.20 ct.NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 10d 7h 38m Buy It Now for only: $99.99 |
 85 CT. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 10d 7h 54m Buy It Now for only: $99.99 |
 92.60CT. NATURAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 10d 7h 55m Buy It Now for only: $99.99 |
 64.95 ct. 100% NATURAL UNHEATED CRYSTAL LAYER GREEN PURPLE BLUE FLUORITE ROUGH $99.99 Time Remaining: 10d 8h 47m Buy It Now for only: $99.99 |
 Fluorite - Pear - Natural Not Lab Created Fancy Cut $16.99 Time Remaining: 10d 19h 7m Buy It Now for only: $16.99 |
 GORGEOUS CUT FACETED PEAR DROP BLUE FLUORITE TOPAZ .925 SILVER PENDANT 1.75"LONG $23.99 Time Remaining: 11d 1h 41m Buy It Now for only: $23.99 |
 14K 14KT YELLOW GOLD COCKTAIL RING PURPLE VIOLET BLUE FLUORITE YAG sz 5.75 AVIV $151.21 Time Remaining: 11d 2h 54m Buy It Now for only: $151.21 |
 NATURAL PURPLE LAVENDER BLUE AMETHYST FLUORITE DRUZY ICE GEODE JEWELRY NECKLACE $134.55 Time Remaining: 11d 3h 45m Buy It Now for only: $134.55 |
 10.23 Ct Blue Green Oval Fluorite Gemstone Gem Stone $94.99 Time Remaining: 11d 3h 52m Buy It Now for only: $94.99 |
 9.62 Carat Blue Green Oval Fluorite Gemstone Gem Stone $83.99 Time Remaining: 11d 3h 55m Buy It Now for only: $83.99 |
 S189 BLUE fluorite gemstone loose beads oval 8*10mm $11.99 Time Remaining: 11d 6h 14m Buy It Now for only: $11.99 |
 S190 BLUE fluorite gemstone loose beads round 10mm $11.99 Time Remaining: 11d 6h 15m Buy It Now for only: $11.99 |
 Natural Blue Fluorite Round Beads Stretch Bracelet 12mm $16.99 Time Remaining: 11d 15h 25m Buy It Now for only: $16.99 |
 Necklace Blue Fluorite Pendant Sterling Silver Leather Black Cord Chain $24.00 Time Remaining: 11d 17h 33m Buy It Now for only: $24.00 |
 Green and Blue Fluorite Drop Earrings w/ Purple Fluorite Top - Afghanistan $10.00 Time Remaining: 11d 19h 49m Buy It Now for only: $10.00 |
 Blue Genie~~EARRINGS~~Fluorite + .925 Sterling Silver~~Thai Jewelry~~NOVICA $24.99 Time Remaining: 11d 21h 31m Buy It Now for only: $24.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 STERLING SILVER BLUE GREEN FLUORITE RING EMERALD SHAPE $218.99 Time Remaining: 11d 22h 55m Buy It Now for only: $218.99 |
 RARE 160.00 Ct. FLUORITE Natural Neon Green Blue 76E013 $650.00 Time Remaining: 12d 5h 10m Buy It Now for only: $650.00 |
 14KG Fluorite Blue Yellow Sapphire Ribbon Ring Fabulous $799.00 Time Remaining: 12d 10h 45m Buy It Now for only: $799.00 |
 Large Blue Fluorite Beaded Toggle Bracelet with Silver Hills Tribe Flower and Dragonfly Charms, 7 1/2" long, #8612 Sale Price: $76.00  Eligible for free shipping!Availability: Usually ships in 24 hours  |
 Franki Baker Blue Green Fluorite Gemstone & Pearl Necklace (18-22") Sale Price: $88.00 Eligible for free shipping!Availability: Usually ships in 24 hours |
 Franki Baker Pearl, Silver, Blue-Green Fluorite and Garnet Chunky Necklace (41") Sale Price: $89.00 Eligible for free shipping!Availability: Usually ships in 24 hours |
 Red Garnet, Yellow Pink and Blue Fluorite, and Swarovski Austrian Crystal Gemstone Beaded Toggle Bracelet with Hill Tribe Sterling Silver Accent Beads, 7 1/2" Length, #8046 Sale Price: $52.00 Eligible for free shipping!Availability: Usually ships in 24 hours |
 Fluorite Cabochon Pendant (3/4" - 1") Green/Blue - 1pc. Sale Price: $31.65 Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Sterling Silver Blue Green Fluorite Ring Emerald Shape List Price: |
What elements/impurities make fluorite blue?
Different colors of the halide mineral fluorite occur. I know that different impurities cause different colors, but I would like to know exactly which additives to the CaF2 chemical formula would make it appear blue to the unaided eye.
I can't find any reference to back it up but I believe it's due of minute amounts of HYDROCARBONS present within the fluorite crystal lattice.
'Blue John' is a well blue variety of fluorite that has been mined in Derbyshire, England.
Edit: I've found two references now which support what I was stating earlier. The 2nd reference states, "When pure, fluorite is colourless and transparent, or translucent with a glassy lustre. It often occurs with impurities which are usually hydrocarbons that make it yellow, blue, purple, green, rose, or brown. The hydrocarbons, and thus the colouring, can be removed from a specimen by heating."
