- Stone type
- Natural Topaz
- Weight
- 0.84ct
- Size
- 7x5mm
- Color
- Light London blue
- Cut
- Oval faceted
- Clarity
- VS
- Treatment
- Irradiated
- Origin
- Brazil
- Hardness
- 8
- Zodiac
- Scorpio, Sagittarius
Natural London Blue Topaz 7x5mm 0.84ct Oval Cut
€12.80 EURSKU: to163-7
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The palest of the ovals in this size, this 0.84ct stone reads as a soft silvery blue with a gentle milkiness through the center, where the light diffuses instead of reflecting cleanly. Contrast is low and the facets shade into one another rather than snapping between light and dark. Clarity is VS, and the softness sits in the way the stone returns light rather than in anything discrete inside it. The 7x5mm outline is neatly cut.
A stone this pale behaves almost like a white gem with a hint of color, which makes it useful where a strong blue would unbalance a design. Brazilian topaz is irradiated and then heated to produce the whole blue range, this light end included. An open-back setting suits it, since light from behind lifts a soft stone considerably. Blue topaz belongs to December.
Natural London blue topaz, pale 7x5mm oval, sold loose.
We ship worldwide from Sofia, Bulgaria. Every order is packed in a protective box with bubble wrap. Orders within Bulgaria are dispatched within 1-2 business days and international orders within 2-3 business days. Free shipping is applied automatically at checkout, and the threshold applies to the order value after any discounts.
Delivery within Bulgaria
- Delivered by Speedy, Econt or Box Now, to a courier office, a locker or your address.
- Fixed prices: Box Now locker €1.60 (free on orders from €25), Speedy office €3.20, Econt office or locker €4.00, Speedy to your address €4.50.
- Free shipping on orders over €50, with any courier and at any weight.
- Cash on delivery is available.
- Delivery normally takes 1-2 business days after dispatch.
- Hardness
- 8
- Cleavage
- Perfect
- Durability
- Fair
- Soapy water
- Safe
- Ultrasonic
- Avoid
- Steam
- Avoid
About topaz
Topaz is 8 on the Mohs scale, so it resists scratches well, but it has perfect cleavage along one plane, and a sharp knock can split it even when the surface shows no scratches. It suits pendants and earrings, and rings too if worn with care.
Cleaning
Warm water, a drop of mild dish soap and a soft toothbrush are all you need. Brush behind the stone too, where dust and skin oils collect, then rinse and dry with a soft cloth. Skip ultrasonic and steam cleaners: vibration and sudden temperature changes can start a crack along its cleavage.
Wear and storage
Take it off for sport, gardening or heavy work: a sharp knock can split it. Harder stones such as sapphire, ruby and diamond can scratch it, so store it on its own in a gem jar or a soft pouch.
For your jeweler
This topaz is irradiated, the usual treatment for this color. Topaz should be kept away from the torch flame, acid pickle and the ultrasonic bath. Ask for gentle pressure when setting, since a hard push can split it.
Scale
True to scale: 7 × 5 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size.
