Reference: SPU6
Product name: Natural Spinel, Shape: Rectangle, Color: Dark purple, Size: 7.60x4.30 mm, Weight: 1.15 carats, Clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka
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Spinelul (aluminat natural de magneziu) este un mineral din categoria oxizilor de magneziu care cristalizează în sistemul cubic, având formula chimică MgAl2O4.
Sub formă naturală ca și cristale bine dezvoltate spinelul se găsește frecvent în roci magmatice dar și roci metamorfice ca marmură sub formă de cristale octaedrice mai rar ca și cristale gemene.
Poate fi întâlnit de asemenea în grohotiș (roci sedimentare). Regiunile geografice cele mai cunoscute unde a fost găsit mineralul sunt Sri Lanka, Myanmar sau Pakistan. Spinelii se gasesc in natura intr-o gama larga de culori si nuante de culori. Sunt apreciati ca pietre pretioase pentru rezistenta si coloritul intens.
Data sheet
Product name: Natural Spinel, Shape: Rectangle, Color: Dark purple, Size: 7.60x4.30 mm, Weight: 1.15 carats, Clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka
Stone type: Natural Tourmaline, Shape: Baguette, Colour: Dark green, Stone size mm: 16.00x4.30, Weight carat: 2.15, Stone Clarity: Eye clean
Product name: Natural Spinel, Shape: Pear, Color: Dark Bordeaux, Stone dimensions mm: 11.30x8.00, Weight carat: 2.65, Stone clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka
Product: Natural cultured pearl, Color: Champagne, Shape: Round, Pearl size mm: 7.00 - 7.20, Weight grams: 0.35 - 0.40, Symmetry: Good, Pearl type: Button, Processing: Semi-drilled
Product name: Natural Opal, Shape: Oval, Color: White, Stone size: 9.00x7.00 mm, Weight: 1.05 carats, Stone clarity: Opaque without visible inclusions, Iridescence: Strong, Origin: Ethiopia
Product: Natural Topaz, Shape: Baguette, Color: London Blue, Size: 10.20x8.20x5.80 mm, Weight: 4.45 carats, Clarity: No visible inclusions, Treatment: Treated, Origin: Brazil
Stone type: Natural Topaz, Shape: Oval, Color: Blue, Weight carat: 1.90 - 2.05, Treatment: Improvement treatment, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 10.00x6.00, Sale information: Price by piece
Product name: Natural Topaz, Shape: Cushion, Colour: Light Brown, Stone size mm: 13.70x11.60x9.40, Stone weight carat: 12.30, Stone clarity: No visible inclusions, Treatment: Untreated, Origin: Pakistan
Stone type: Natural Peridot, Shape: Round, Color: Light green, Weight carat: 0.05, Treatment: Untreated, Source: Pakistan, Stone Clarity: Eye clean, Stone size mm: 1.90-2.00, Sale information: Price by piece
Product name: Natural Opal, Shape: Oval cabochon, Color: White, Stone size: 6.90x5.00 - 7.20x5.30 mm, Weight: 0.50 carat, Stone clarity: No visible inclusions, Treatment: Untreated, Iridescence: Medium, Origin : Ethiopia
Product name: Natural Zircon, Shape: Rectangle, Color: Brown, Stone size: 8.60x6.40 mm, Weight: 2.80 carats, Stone clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka
Product name: Natural Opal, Shape: Round, Color: White, Stone size: 7.00 mm, Weight: 0.70 - 0.90 carats, Stone clarity: Opaque without visible inclusions, Iridescence: Strong, Treatment: Untreated, Origin: Ethiopia
Product: Natural Topaz, Shape: Rectangle, Color: Swiss Blue, Size: 11.90x9.00 - 11.90x9.10 mm, Weight: 6.00 - 6.40 carats, Clarity: No visible inclusions, Treatment: Treated, Origin: Brazil
Product: Natural Opal, Shape: Round cabochon, Color: Yellow, Size: 5.00 mm, Weight: 0.30 carat, Clarity: No visible inclusions, Stone clarity: Opaque appearance, Treatment: Untreated, Iridescence: Strong, Origin: Ethiopia
