wholesale christian jewelry The carving on the gold is gold, but the purity is not enough. The method of judging gold: 1. See the color The different luster and color of the gold can be generally distinguished from pure gold, K gold, real gold, fake gold. That is, gold is better yellow (yellow -red), and the color is more than 95%; the positive yellow color is about 80%; the blue and yellow color is about 70%; the yellow color is slightly gray and the color is about 50%. Therefore, there is a formula for "seven green eight yellow, yellow nine five red, yellow leucorrhea ash pairs of gold". For long -term gold jewelry, there will be a saying that "copper turns green, silver turns black, and gold will never change color". 2. Type weight D gold weight is about double the same volume of silver, lead, and tin. True gold has a feeling of falling on the hand, while copper or others only have a sense of heavyness without falling. 3. Listening to the sound When the high -quality gold jewelry is knocked out or threw it hard, the dull sound of "dwelling, clicking" is made, there is no rhyme or elasticity. , Sound, elasticity, the greater the elasticity, the more the rhyme, the more the elderly, the worse the color. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. In addition, buy gold to buy it at the authoritative shops, don't be cheap.
wholesale christian jewelry The carving on the gold is gold, but the purity is not enough.
The method of judging gold:
1. See the color
The different luster and color of the gold can be generally distinguished from pure gold, K gold, real gold, fake gold. That is, gold is better yellow (yellow -red), and the color is more than 95%; the positive yellow color is about 80%; the blue and yellow color is about 70%; the yellow color is slightly gray and the color is about 50%. Therefore, there is a formula for "seven green eight yellow, yellow nine five red, yellow leucorrhea ash pairs of gold". For long -term gold jewelry, there will be a saying that "copper turns green, silver turns black, and gold will never change color".
2. Type weight
D gold weight is about double the same volume of silver, lead, and tin. True gold has a feeling of falling on the hand, while copper or others only have a sense of heavyness without falling.
3. Listening to the sound
When the high -quality gold jewelry is knocked out or threw it hard, the dull sound of "dwelling, clicking" is made, there is no rhyme or elasticity. , Sound, elasticity, the greater the elasticity, the more the rhyme, the more the elderly, the worse the color. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. In addition, buy gold to buy it at the authoritative shops, don't be cheap.