髓石

The centre is generally filled with variants of chalcedony – agate, jasper or opal – and, as here, quartz and selenite are often also present

雷公蛋的中心通常充满了各种玉髓，如玛瑙、碧玉或猫眼石等。在本图的雷公蛋中间，填充物为石英和透明石膏。

"The earliest Egyptian bead s (c. 4000 BC) were made of stone, feldspar, lapis lazuli, carnelian, turquoise, hematite, or amethyst and were variously shaped (sphere, cone, shell, animal head)."

最古的埃及珠饰年代约为公元前4000年，一般为石制(绿长石、杂青金石、光玉髓、绿松石、赤铁矿和紫晶)，形状有球形、圆柱形、贝壳形或动物头形。

"The earliest Egyptian beads (c. 4000 BC) were made of stone, feldspar, lapis lazuli, carnelian, turquoise, hematite, or amethyst and were variously shaped (sphere, cone, shell, animal head)."

最古的埃及珠饰年代约为公元前4000年，一般为石制(绿长石、杂青金石、光玉髓、绿松石、赤铁矿和紫晶)，形状有球形、圆柱形、贝壳形或动物头形。

A variety of deep-green chalcedony flecked with red ''.

鸡血石，血滴石一种上有红色碧玉斑点的深绿色玉髓

A variety of deep-green chalcedony flecked with red jasper.

鸡血石，血滴石一种上有红色碧玉斑点的深绿色玉髓

Silica, crystalline - quartz;agate;alpha-quartz;amethyst;chalcedony;cherts;crystalline silica, quartz;crystallized silicon dioxide;flint;flintshot;free crystalline silica, quartz;gold bond r

中文名称：亲有机物粘土；玛瑙；紫晶，水碧，紫水晶；玉髓；燧石，火石，细粒砂岩；大块纯石英晶体，大水晶；蔷薇水晶，蔷薇石英，鞭蓉石

A variety of deep - green chalcedony fleck ed with red jasper.

鸡血石，血滴石一种上有红色碧玉斑点的深绿色玉髓

The ancient times's trees bedding bag submerged including the silicon dioxide water, in the wood cell by the quartz family's chalcedony, the opal and so on is replaced, although therefore was also retaining the wood outward appearance, but materially already was 100% stones.

古代的树木被包含二氧化硅的水所淹没，木头里的细胞被石英家族的石髓、蛋白石等所置换，所以虽然还保留着木头的外观，但实质上已经是百分之百的石头了。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。