Seeds zincite and others

Seeing the price of zincite rise I have started using other stones as seeds.
Zinc Oxide seeds for tested with frit F3110
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Zinc based crystal used as seeds:
Sphalerite (zinc,iron) red
Sphalerite ((Zn, Fe)S);moth 4;
Chips grow crystals.
Breaks up into nice seed size pieces
Cost on eBay $29.00,gram 36
Cost Ebay 112g $35.00 red
Amazon $12.00,28grams yellow
Also named:
marmatite,
Black-jack ruby jack
Zinc Blende
Sphalerite is a zinc iron sulphide
mineral and a major ore of zinc.
Sphalerite is also known as Blende
or Zinc Blende. When pure (with
little or no iron) it forms clear
crystals, usually red known as
Ruby jack.
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Hemimorphite (Zn4(Si2O7)) -
Zn4Si2O7(OH)2·H2O
Moth 4.5-5
Shipped 1/13/2010
Cost 2020.01.30 $4.00,grams 89
Also sold as beads from China
Grows nice crystals that look like
What I get when using F644 frit
Tends to breakup into a powder
Harder to get nice size seeds
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Willemite (Zn2SiO4) -
This Grows nice crystals
Purchased necklace on eBay
From China.
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Zincite (Zn,Mn)O; hardness/moth 4;
Growers Crystals
Cost 2020.01.30 $0.25 a gram
Cost 2020.01.30 $100.00 a LB
Source ebay
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Give them a try and let me know what you find.
Thanks
Mark Winner