The Gemstone's Glow

Once upon a time, in a faraway village named Wensley, lived a poor farmer called Mathew. Mathew was very hard-working and kind, respected by everyone, but always wished for a better life. He worked tirelessly, day in and day out, to provide for his two children, Martha and Tabby.
One day, while laboring in his arid field under a blazing sun, Mathew noticed something twinkling in the soil. He dug out a small object. To his amazement, it was an old, dirty, multi-faceted gemstone. Not knowing its worth, he gently cleaned it and put it in his pocket.
That night, Mathew's haggard shack was illuminated by an odd glow. He discovered the shine was emitted from the gemstone. Out of curiosity, he walked towards it and touched it, leading to a sudden breathtaking transformation. The humble shack altered into a grand mansion, the barren field into lush harvest grounds.
Astonishment quickly turned into happiness as Mathew realized that he could now offer Martha and Tabby a life they truly deserved. The simple farm life changed overnight as they adjusted to their new, richer lives. However, the gemstone started to depict an eccentric behavior. It glowed intermittently, and the brightness diminished each passing day.
One day, to Mathew's horror, the gemstone lost its sheen completely. With its loss, the mansion reverted back to the old shack, the fertile field to barren land. However, instead of despairing, Mathew felt a surprising sense of relief and peace, which left him puzzled.
Months passed, Matthew and his children went back to their humble life but with a newfound respect and understanding for their circumstances. They worked their fields with renewed vigor, and every meal tasted better than it ever had when they had lived in the mansion.
In a strange way, the gemstone that was supposed to bring unending fortune had indeed brought them riches, but not in the way Matthew had initially imagined. This experience had instilled in them a greater sense of value for hard work, the contentment it brings, and the respect they had for their life, which they realized was far more rewarding than transient material riches.
The gemstone, having lost its brilliance, was placed on the mantelpiece in their tiny house. Yet, it held a significant place in their lives. It was no longer just a gemstone but had turned into a symbol of a lesson which reminded them that true wealth cannot be measured in gold or precious gems, but in the love, unity, and the satisfaction of knowing that you have earned every morsel of food that you have on your plate. From their experience, they learned to be immensely grateful for their life and lived happily ever after.