Blue Unheated
 HUGE 497 CT UNHEATED RARE ROYAL BLUE NATURAL CEYLON SAPPHIRE US $199.00 
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 1 Pcs $450 Round Cut Natural Paraiba Neon Blue Color Apatite Unheated US $4.50
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 NICE 815 CT VIOLET BLUE IOLITE ROUGH NATURAL GEMSTONE UNHEATED US $3.00
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 SWEET 507 CTS BRAZIL BLUE AQUAMARINE UNHEAT PEAR NR US $399.99
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 101CT CERTIFIED NATURAL COLOR CHANGE BLUE SAPPHIRE UNHEATED RARE FROM KASHMIR US $69.50
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 Unheated 1681ct Natural Dancing Lucky 6 Ray Blue Star Sapphire CEYLON US $45.00
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 Unheated 136ct Natural Dancing Lucky 6 Ray Dark Blue Star Sapphire BANGKAJA US $15.65
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 Unheated 302ct Natural Dancing Lucky 6 Ray Blue Star Ruby SIAM US $16.28
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 Unheated 1263ct Natural Dancing Lucky 6 Ray Blue Star Sapphire CEYLON US $36.30
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 Unheated 1047ct Natural Lucky 6 Ray Deep Violet Blue Star Sapphire CEYLON US $31.80
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 Unheated 388ct Natural Lucky 6 Ray Light Greenish Blue Star Sapphire CEYLON US $18.08
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 Unheated 471ct Natural Dancing Lucky 6 Ray Greenish Blue Star Sapphire CEYLON US $19.80
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 Unheated 679ct Natural Lucky 6 Ray Light Yellowish Blue Star Sapphire CEYLON US $24.13
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 Unheated 221ct Natural Dancing Lucky 6 Ray Light Blue Star Sapphire CEYLON US $14.60
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 Unheated 460ct Natural Dancing Lucky 6 Ray Blue Star Sapphire CEYLON US $19.58
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 350ctFINE LUSTROUS EARTH MINED VIOLET BLUE NATURAL UNTREATED UNHEATED SAPPHIRE US $2,000.00
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 03 CT NATURAL UNHEATED PEAR CUT PURPLE BLUE TANZANITE US $26.99
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 UNHEATED 13580ct OCEAN BLUE SAPPHIRE ROUGH US $190.00
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 275 CT CERTIFIED UNHEATED AAA ROYAL BLUE SIAM SAPPHIRE US $1,450.00
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 74645 Ct Unheated Blue Green Sapphire Rough Thailand US $100.00
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 47 ct 2Pcs 100 Unheated Natural Blue Apatite FREE SHIP US $3.99
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 102 ct 4Pcs Unheated 100 Natural Rough Blue Zircon FREE SHIP US $3.99
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 95 ct 2Pcs 100 Unheated Natural Mined Blue Sapphire Rough US $5.99
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 77 ct 4Pcs 100 Unheated Natural Blue Apatite FREE SHIP US $4.99
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 RARE VVS 1 UNHEATED NATURAL ROUND BLUE GREEN COLOR CHANGE SAPPHIRE 111 CT US $125.77
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 1224ct Color Change Blue Violet Unheated Ceylon Sapphire NATURAL FROM MINED US $24,480.00
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 445 cts Natural Top Royal Blue Sapphire Cushion Unheated Certified srilanka cut US $10,000.00
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 THE UNHEATED BIG OVAL CAB DEEP BLUE SAPPHIRE 1227 CT US $299.99
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 6 CARAT NATURAL UNHEATED FINE BLUE SAPPHIRE GEMSTONE US $124.97
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 Unheated 104 Ct VVS Natural Gem Light Blue Aqumarine US $5.99
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 AAA 100 Natural Oval Blue Sapphire Ceylon 7x5 mm VVS Unheated US $150.00
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 300 cts Natural Top Royal BLue Sapphire Gemstone Heart Cut Certified Unheated $ US $7,500.00
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 375 cts Natural Certified unheated Cornflower Blue Sapphire Gemstone Cushion US $7,500.00
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 307 Carat Unheated Sky Blue Sapphire from Ilakaka Madagascar US $1,535.00
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 238 Carat VVS Vivid Greyish Blue Sapphire Unheated US $1,071.00
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 SPLENDID 165cts 4Pcs 5x4mm Natural Royal Blue Kyanite Oval cut Unheated NR US $29.99
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 115cts 5pcs BRILLIANT Natural Violet Blue Tanzanite Oval cut Unheated NR US $25.99
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 109CTS EXQUISITE FANCY CUT UNHEATED CEYLON BLUE SAPPHIRE US $99.00
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 137 Carat Attractive Vivid Blue Green Sapphire Unheated US $582.00
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 510 CT 100 NATURAL CRYSTAL UNHEATED DARK BLUE INDICOLITE TOURMALINE ROUGH US $199.99
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 160 CT 100 NATURAL CRYSTAL UNHEATED BI COLOR PINK BLUE TOURMALINE ROUGH US $120.00
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 374ct MASSIVE HOT INDICOLITE BLUE UNHEAT TOURMALINE US $199.99
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 294 cts Natural Certified unheated Top Cornflower Blue Sapphire Gemstone Oval US $4,500.00
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 382 ct certified unheated Natural Blue Sapphire Sri Lanka cushion kashmir color US $4,500.00
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 506000 CTS 258 PCS WHOLESALE LOT UNTREATED UNHEATED NATURAL BLUE MOONSTONES US $599.00
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 RARE VVS 1 UNHEATED NATURAL OVAL BLUE GREEN COLOR CHANGE SAPPHIRE 096 CT US $92.36
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 229 cts Natural certified unheated Top Deep Blue Sapphire Gemstone Oval Cut US $3,500.00
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 655 ct Natural Brazil Indicolite Tourmaline Baquette Cut Unheated Green Blue US $699.99
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Am I making copper carbonate?
I heat baking soda over the stove trying to make sodium carbonate. I can't see anything happen but I get different results in electrolysis. What I get is insoluble greenish crystals on the anode. Unheated baking soda gives me a blue solution.
Am I making sodium carbonate by heating baking soda and are the green crystals copper carbonate?
It does sound as if you have introduced carbonate ions into the electrolyte, so that as soon as the copper anode dissolves, green copper carbonate forms on its surface. This will tend to stop any further electrolysis, by the way!
The blue solution sounds like copper hydrogencarbonate.
Indoor Spring Bulbs
Several bulbs are suitable for planting in small pots before being kept in cool but sheltered conditions outside, such as next to a house wall or in an open porch, and then being brought indoors once the flower buds first show, to flower a week or two earlier than they would otherwise. Winter aconite, grape hyacinths, dwarf daffodils, dwarf tulips and hyacinths will all bring pleasure if they are treated in this way.
The large Dutch crocuses are excellent candidates for growing in this way. If the corms are to be planted in containers with no drainage holes, add a layer of grit to the base of each pot and use specially formulated indoor bulb fiber to fill the pot. For a maximum show, five crocus corms can be planted in a circle near the bottom of each pot, with another layer of five corms planted above them.
Make sure that the corms are not directly on top of each other. The pots should be kept in a light place, such as a potting shed or unheated greenhouse, in winter and watered occasionally to keep the compost soil mix just moist. When the shoots just begin to show color, they can be brought indoors. The display can then be appreciated at close range, with no danger of wind or rain spoiling the delicate petals.
Prepared hyacinths for midwinter flowering are available in a limited range of colors, but bedding hyacinths, which are grown in the garden or in outdoor pots, are available in an enormous number of delicate shades, including apricot as in gipsy queen, violet, lilac, mulberry and burgundy as in violet pearl, mulberry rose and Woodstock; blue and white as in blue jacket; deep blue as in blue magic and many others.
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