Chrysoberyl containing beryllium aluminum oxide, the chemical formula BeAl 2 O 4. It is an orthorhombic system. The crystal form is often short columnar or plate-like. Opal has a variety of colors, such as honey yellow, brown yellow, wine yellow, brown yellow, yellow green, yellow brown, gray green, etc., among which honey yellow is the most expensive. Transparent to translucent. Glass to grease luster. The refractive index is 1.746-1.755, and the birefringence is 0.008-0.010. The dichroism is obvious, the dispersion is 0.015, and it is heterogeneous. Hardness 8.5, density 3.71-3.75 g / cm3. Shell-shaped fracture.
The opal is named because it is like a cat's eye-turning color. Therefore, it is also called 'op's eye' in English. Only the gold emerald cat's eye can be called cat's eye. The opal has the color of honey, especially its light mark, which will reflect the two sides as '3 light marks', so its price is judged very high. In terms of color, cream and lemon are inferior to honey, while brown and gray are lower. Put the cat's eyes under the light. A clear light can be seen, and when it is rotated, the light bar will be shaken left and right. This is the discoloration of the cat's eye.
There are other types of gems that can show the glare effect of cat eyes, in addition to gold emeralds. Like calcium carbide, apatite, aquamarine, etc., in addition to its organizational relationships fibrous asbestos ore to produce the same effect [Tiger Eye], but gold green cat's eye is second to none. There is a yellow-green cat's eye on the crown of the Iranian king, weighing 147.7 carats.
| Front drag |
| Thick bail arm |
| Super strong drive gear |
| Hight intensity graphite material |
| Micro-adjusting drag system |
| Excellent line lay osciallation system |
| one-way clutch ball bearing |
Y
| ITEM | Gear Ratio | Ball Bearing | Line Capacity(mm/m;Lbs/yds)-Standard | OWC |
| GO1000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.20/310 0.25/200 0.30/140; 6/340 8/220 10/150 | Y |
| GO2000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.20/390 0.25/250 0.30/170; 6/420 8/270 10/185 | Y |
| GO3000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.30/250 0.35/200 0.40/110; 8/270 10/185 12/120 | Y |
| GO4000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.35/180 0.40/140 0.45/110; 10/200 12/145 15/115 | Y |
| GO5000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.35/310 0.40/240 0.45/190; 10/340 12/260 15/207 | Y |
| GO6000 | 5.2:1 | 1BB-7BB/2+1BB-9+1BB | 0.35/350 0.40/270 0.45/210; 11/380 13/295 15/230 |
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| Gear Ratio | 5.2:1 |
| Bearings |
2+1 9+1 |
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